diff --git a/data/mllm_demo_data/1.mp4 b/data/mllm_demo_data/1.mp4
new file mode 100644
index 00000000..f3abd568
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diff --git a/data/mllm_demo_data/2.avi b/data/mllm_demo_data/2.avi
new file mode 100644
index 00000000..bdb736c2
Binary files /dev/null and b/data/mllm_demo_data/2.avi differ
diff --git a/data/mllm_demo_data/3.mp4 b/data/mllm_demo_data/3.mp4
new file mode 100644
index 00000000..48ce6f66
Binary files /dev/null and b/data/mllm_demo_data/3.mp4 differ
diff --git a/src/llamafactory/chat/base_engine.py b/src/llamafactory/chat/base_engine.py
index ccdf4c92..a95e0e3a 100644
--- a/src/llamafactory/chat/base_engine.py
+++ b/src/llamafactory/chat/base_engine.py
@@ -18,11 +18,11 @@ from typing import TYPE_CHECKING, Any, AsyncGenerator, Dict, List, Literal, Opti
 
 
 if TYPE_CHECKING:
-    from numpy.typing import NDArray
     from transformers import PreTrainedModel, PreTrainedTokenizer
     from vllm import AsyncLLMEngine
 
     from ..data import Template
+    from ..data.mm_plugin import ImageInput, VideoInput
     from ..hparams import DataArguments, FinetuningArguments, GeneratingArguments, ModelArguments
 
 
@@ -56,7 +56,8 @@ class BaseEngine(ABC):
         messages: Sequence[Dict[str, str]],
         system: Optional[str] = None,
         tools: Optional[str] = None,
-        image: Optional["NDArray"] = None,
+        image: Optional["ImageInput"] = None,
+        video: Optional["VideoInput"] = None,
         **input_kwargs,
     ) -> List["Response"]: ...
 
@@ -66,7 +67,8 @@ class BaseEngine(ABC):
         messages: Sequence[Dict[str, str]],
         system: Optional[str] = None,
         tools: Optional[str] = None,
-        image: Optional["NDArray"] = None,
+        image: Optional["ImageInput"] = None,
+        video: Optional["VideoInput"] = None,
         **input_kwargs,
     ) -> AsyncGenerator[str, None]: ...
 
diff --git a/src/llamafactory/chat/chat_model.py b/src/llamafactory/chat/chat_model.py
index 6df83b57..3eb8124f 100644
--- a/src/llamafactory/chat/chat_model.py
+++ b/src/llamafactory/chat/chat_model.py
@@ -27,8 +27,7 @@ from .vllm_engine import VllmEngine
 
 
 if TYPE_CHECKING:
-    from PIL.Image import Image
-
+    from ..data.mm_plugin import ImageInput, VideoInput
     from .base_engine import BaseEngine, Response
 
 
@@ -56,10 +55,13 @@ class ChatModel:
         messages: Sequence[Dict[str, str]],
         system: Optional[str] = None,
         tools: Optional[str] = None,
-        image: Optional["Image"] = None,
+        image: Optional["ImageInput"] = None,
+        video: Optional["VideoInput"] = None,
         **input_kwargs,
     ) -> List["Response"]:
-        task = asyncio.run_coroutine_threadsafe(self.achat(messages, system, tools, image, **input_kwargs), self._loop)
+        task = asyncio.run_coroutine_threadsafe(
+            self.achat(messages, system, tools, image, video, **input_kwargs), self._loop
+        )
         return task.result()
 
     async def achat(
@@ -67,20 +69,22 @@ class ChatModel:
         messages: Sequence[Dict[str, str]],
         system: Optional[str] = None,
         tools: Optional[str] = None,
-        image: Optional["Image"] = None,
+        image: Optional["ImageInput"] = None,
+        video: Optional["VideoInput"] = None,
         **input_kwargs,
     ) -> List["Response"]:
-        return await self.engine.chat(messages, system, tools, image, **input_kwargs)
+        return await self.engine.chat(messages, system, tools, image, video, **input_kwargs)
 
     def stream_chat(
         self,
         messages: Sequence[Dict[str, str]],
         system: Optional[str] = None,
         tools: Optional[str] = None,
-        image: Optional["Image"] = None,
+        image: Optional["ImageInput"] = None,
+        video: Optional["VideoInput"] = None,
         **input_kwargs,
     ) -> Generator[str, None, None]:
-        generator = self.astream_chat(messages, system, tools, image, **input_kwargs)
+        generator = self.astream_chat(messages, system, tools, image, video, **input_kwargs)
         while True:
             try:
                 task = asyncio.run_coroutine_threadsafe(generator.__anext__(), self._loop)
@@ -93,10 +97,11 @@ class ChatModel:
         messages: Sequence[Dict[str, str]],
         system: Optional[str] = None,
         tools: Optional[str] = None,
-        image: Optional["Image"] = None,
+        image: Optional["ImageInput"] = None,
+        video: Optional["VideoInput"] = None,
         **input_kwargs,
     ) -> AsyncGenerator[str, None]:
-        async for new_token in self.engine.stream_chat(messages, system, tools, image, **input_kwargs):
+        async for new_token in self.engine.stream_chat(messages, system, tools, image, video, **input_kwargs):
             yield new_token
 
     def get_scores(
diff --git a/src/llamafactory/chat/hf_engine.py b/src/llamafactory/chat/hf_engine.py
index 880e5803..b1a9b078 100644
--- a/src/llamafactory/chat/hf_engine.py
+++ b/src/llamafactory/chat/hf_engine.py
@@ -22,7 +22,7 @@ import torch
 from transformers import GenerationConfig, TextIteratorStreamer
 
 from ..data import get_template_and_fix_tokenizer
-from ..extras.constants import IMAGE_PLACEHOLDER
+from ..extras.constants import IMAGE_PLACEHOLDER, VIDEO_PLACEHOLDER
 from ..extras.logging import get_logger
 from ..extras.misc import get_logits_processor
 from ..model import load_model, load_tokenizer
@@ -30,11 +30,11 @@ from .base_engine import BaseEngine, Response
 
 
 if TYPE_CHECKING:
-    from PIL.Image import Image
     from transformers import PreTrainedModel, PreTrainedTokenizer, ProcessorMixin
     from trl import PreTrainedModelWrapper
 
     from ..data import Template
+    from ..data.mm_plugin import ImageInput, VideoInput
     from ..hparams import DataArguments, FinetuningArguments, GeneratingArguments, ModelArguments
 
 
@@ -78,20 +78,30 @@ class HuggingfaceEngine(BaseEngine):
         messages: Sequence[Dict[str, str]],
         system: Optional[str] = None,
         tools: Optional[str] = None,
-        image: Optional["Image"] = None,
+        image: Optional["ImageInput"] = None,
+        video: Optional["VideoInput"] = None,
         input_kwargs: Optional[Dict[str, Any]] = {},
     ) -> Tuple[Dict[str, Any], int]:
+        mm_input_dict = {"images": [], "videos": [], "imglens": [0], "vidlens": [0]}
         if image is not None:
+            mm_input_dict.update({"images": [image], "imglens": [1]})
             if IMAGE_PLACEHOLDER not in messages[0]["content"]:
                 messages[0]["content"] = IMAGE_PLACEHOLDER + messages[0]["content"]
 
-            messages = template.mm_plugin.process_messages(messages, [image], processor)
+        if video is not None:
+            mm_input_dict.update({"videos": [video], "vidlens": [1]})
+            if VIDEO_PLACEHOLDER not in messages[0]["content"]:
+                messages[0]["content"] = VIDEO_PLACEHOLDER + messages[0]["content"]
 
+        messages = template.mm_plugin.process_messages(
+            messages, mm_input_dict["images"], mm_input_dict["videos"], processor
+        )
         paired_messages = messages + [{"role": "assistant", "content": ""}]
         system = system or generating_args["default_system"]
         prompt_ids, _ = template.encode_oneturn(tokenizer, paired_messages, system, tools)
-        if image is not None:
-            prompt_ids, _ = template.mm_plugin.process_token_ids(prompt_ids, None, [image], tokenizer, processor)
+        prompt_ids, _ = template.mm_plugin.process_token_ids(
+            prompt_ids, None, mm_input_dict["images"], mm_input_dict["videos"], tokenizer, processor
+        )
 
         prompt_length = len(prompt_ids)
         inputs = torch.tensor([prompt_ids], device=model.device)
@@ -154,13 +164,10 @@ class HuggingfaceEngine(BaseEngine):
             logits_processor=get_logits_processor(),
         )
 
-        if image is not None:
-            mm_inputs = template.mm_plugin.get_mm_inputs(
-                images=[image], imglens=[1], seqlens=[prompt_length], processor=processor
-            )
-            for key, value in mm_inputs.items():
-                value = value if isinstance(value, torch.Tensor) else torch.tensor(value)
-                gen_kwargs[key] = value.to(model.device)
+        mm_inputs = template.mm_plugin.get_mm_inputs(**mm_input_dict, seqlens=[prompt_length], processor=processor)
+        for key, value in mm_inputs.items():
+            value = value if isinstance(value, torch.Tensor) else torch.tensor(value)
+            gen_kwargs[key] = value.to(model.device)
 
         return gen_kwargs, prompt_length
 
@@ -175,11 +182,12 @@ class HuggingfaceEngine(BaseEngine):
         messages: Sequence[Dict[str, str]],
         system: Optional[str] = None,
         tools: Optional[str] = None,
-        image: Optional["Image"] = None,
+        image: Optional["ImageInput"] = None,
+        video: Optional["VideoInput"] = None,
         input_kwargs: Optional[Dict[str, Any]] = {},
     ) -> List["Response"]:
         gen_kwargs, prompt_length = HuggingfaceEngine._process_args(
-            model, tokenizer, processor, template, generating_args, messages, system, tools, image, input_kwargs
+            model, tokenizer, processor, template, generating_args, messages, system, tools, image, video, input_kwargs
         )
         generate_output = model.generate(**gen_kwargs)
         response_ids = generate_output[:, prompt_length:]
@@ -210,11 +218,12 @@ class HuggingfaceEngine(BaseEngine):
         messages: Sequence[Dict[str, str]],
         system: Optional[str] = None,
         tools: Optional[str] = None,
-        image: Optional["Image"] = None,
+        image: Optional["ImageInput"] = None,
+        video: Optional["VideoInput"] = None,
         input_kwargs: Optional[Dict[str, Any]] = {},
     ) -> Callable[[], str]:
         gen_kwargs, _ = HuggingfaceEngine._process_args(
-            model, tokenizer, processor, template, generating_args, messages, system, tools, image, input_kwargs
+            model, tokenizer, processor, template, generating_args, messages, system, tools, image, video, input_kwargs
         )
         streamer = TextIteratorStreamer(tokenizer, skip_prompt=True, skip_special_tokens=True)
         gen_kwargs["streamer"] = streamer
@@ -267,7 +276,8 @@ class HuggingfaceEngine(BaseEngine):
         messages: Sequence[Dict[str, str]],
         system: Optional[str] = None,
         tools: Optional[str] = None,
-        image: Optional["Image"] = None,
+        image: Optional["ImageInput"] = None,
+        video: Optional["VideoInput"] = None,
         **input_kwargs,
     ) -> List["Response"]:
         if not self.can_generate:
@@ -284,6 +294,7 @@ class HuggingfaceEngine(BaseEngine):
             system,
             tools,
             image,
+            video,
             input_kwargs,
         )
         async with self.semaphore:
@@ -295,7 +306,8 @@ class HuggingfaceEngine(BaseEngine):
         messages: Sequence[Dict[str, str]],
         system: Optional[str] = None,
         tools: Optional[str] = None,
-        image: Optional["Image"] = None,
+        image: Optional["ImageInput"] = None,
+        video: Optional["VideoInput"] = None,
         **input_kwargs,
     ) -> AsyncGenerator[str, None]:
         if not self.can_generate:
@@ -312,6 +324,7 @@ class HuggingfaceEngine(BaseEngine):
             system,
             tools,
             image,
+            video,
             input_kwargs,
         )
         async with self.semaphore:
diff --git a/src/llamafactory/data/aligner.py b/src/llamafactory/data/aligner.py
index 05ff7ef0..f7f6d0ad 100644
--- a/src/llamafactory/data/aligner.py
+++ b/src/llamafactory/data/aligner.py
@@ -25,7 +25,7 @@ if TYPE_CHECKING:
     from transformers import Seq2SeqTrainingArguments
 
     from ..hparams import DataArguments
-    from .mm_plugin import ImageInput
+    from .mm_plugin import ImageInput, VideoInput
     from .parser import DatasetAttr
 
 
@@ -52,6 +52,26 @@ def _convert_images(
     return images
 
 
+def _convert_videos(
+    videos: Sequence["VideoInput"],
+    dataset_attr: "DatasetAttr",
+    data_args: "DataArguments",
+) -> Optional[List["VideoInput"]]:
+    r"""
+    Optionally concatenates video path to dataset dir when loading from local disk.
+    """
+    if len(videos) == 0:
+        return None
+
+    videos = videos[:]
+    if dataset_attr.load_from in ["script", "file"]:
+        for i in range(len(videos)):
+            if isinstance(videos[i], str) and os.path.isfile(os.path.join(data_args.dataset_dir, videos[i])):
+                videos[i] = os.path.join(data_args.dataset_dir, videos[i])
+
+    return videos
+
+
 def convert_alpaca(
     example: Dict[str, Any],
     dataset_attr: "DatasetAttr",
@@ -96,12 +116,14 @@ def convert_alpaca(
         response = []
 
     convert_images = partial(_convert_images, dataset_attr=dataset_attr, data_args=data_args)
+    convert_videos = partial(_convert_videos, dataset_attr=dataset_attr, data_args=data_args)
     output = {
         "_prompt": prompt,
         "_response": response,
         "_system": example[dataset_attr.system] if dataset_attr.system else "",
         "_tools": example[dataset_attr.tools] if dataset_attr.tools else "",
         "_images": convert_images(example[dataset_attr.images]) if dataset_attr.images else None,
+        "_videos": convert_videos(example[dataset_attr.videos]) if dataset_attr.videos else None,
     }
     return output
 
@@ -187,12 +209,14 @@ def convert_sharegpt(
         prompt, response = [], []
 
     convert_images = partial(_convert_images, dataset_attr=dataset_attr, data_args=data_args)
+    convert_videos = partial(_convert_videos, dataset_attr=dataset_attr, data_args=data_args)
     output = {
         "_prompt": prompt,
         "_response": response,
         "_system": system,
         "_tools": example[dataset_attr.tools] if dataset_attr.tools else "",
         "_images": convert_images(example[dataset_attr.images]) if dataset_attr.images else None,
+        "_videos": convert_videos(example[dataset_attr.videos]) if dataset_attr.videos else None,
     }
     return output
 
@@ -210,6 +234,7 @@ def align_dataset(
         _system: "..."
         _tools: "...",
         _images: [],
+        _videos: [],
     """
     if dataset_attr.formatting == "alpaca":
         convert_func = partial(convert_alpaca, dataset_attr=dataset_attr, data_args=data_args)
diff --git a/src/llamafactory/data/collator.py b/src/llamafactory/data/collator.py
index 73508b47..d86c5c43 100644
--- a/src/llamafactory/data/collator.py
+++ b/src/llamafactory/data/collator.py
@@ -79,14 +79,19 @@ class MultiModalDataCollatorForSeq2Seq(DataCollatorForSeq2Seq):
     processor: Optional["ProcessorMixin"] = None
 
     def __call__(self, features: Sequence[Dict[str, Any]]) -> Dict[str, "torch.Tensor"]:
-        batch_images, batch_imglens, batch_seqlens = [], [], []
+        batch_images, batch_videos, batch_imglens, batch_vidlens, batch_seqlens = [], [], [], [], []
         for feature in features:
             images = feature.pop("images") or []  # avoid NoneType
+            videos = feature.pop("videos") or []
             batch_images.extend(images)
+            batch_videos.extend(videos)
             batch_imglens.append(len(images))
+            batch_vidlens.append(len(videos))
             batch_seqlens.append(len(feature["input_ids"]))
 
-        mm_inputs = self.template.mm_plugin.get_mm_inputs(batch_images, batch_imglens, batch_seqlens, self.processor)
+        mm_inputs = self.template.mm_plugin.get_mm_inputs(
+            batch_images, batch_videos, batch_imglens, batch_vidlens, batch_seqlens, self.processor
+        )
         if "token_type_ids" in mm_inputs:
             token_type_ids = mm_inputs.pop("token_type_ids")
             for i, feature in enumerate(features):
@@ -136,6 +141,7 @@ class PairwiseDataCollatorWithPadding(MultiModalDataCollatorForSeq2Seq):
                     "attention_mask": feature["{}_attention_mask".format(key)],
                     "labels": feature["{}_labels".format(key)],
                     "images": feature["images"],
+                    "videos": feature["videos"],
                 }
                 concatenated_features.append(target_feature)
 
@@ -158,12 +164,14 @@ class KTODataCollatorWithPadding(MultiModalDataCollatorForSeq2Seq):
                 "attention_mask": feature["attention_mask"],
                 "labels": feature["labels"],
                 "images": feature["images"],
+                "videos": feature["videos"],
             }
             kl_feature = {
                 "input_ids": feature["kl_input_ids"],
                 "attention_mask": feature["kl_attention_mask"],
                 "labels": feature["kl_labels"],
                 "images": feature["images"],
+                "videos": feature["videos"],
             }
             target_features.append(target_feature)
             kl_features.append(kl_feature)
diff --git a/src/llamafactory/data/mm_plugin.py b/src/llamafactory/data/mm_plugin.py
index 5e1b5bd8..33ab1328 100644
--- a/src/llamafactory/data/mm_plugin.py
+++ b/src/llamafactory/data/mm_plugin.py
@@ -2,11 +2,10 @@ from copy import deepcopy
 from io import BytesIO
 from typing import TYPE_CHECKING, Dict, List, Optional, Sequence, Tuple, TypedDict, Union
 
-from PIL.Image import Image
-from transformers import ProcessorMixin
+import numpy as np
 
-from ..extras.constants import IGNORE_INDEX, IMAGE_PLACEHOLDER
-from ..extras.packages import is_pillow_available
+from ..extras.constants import IGNORE_INDEX, IMAGE_PLACEHOLDER, VIDEO_PLACEHOLDER
+from ..extras.packages import is_pillow_available, is_pyav_available
 
 
 if is_pillow_available():
@@ -14,8 +13,13 @@ if is_pillow_available():
     from PIL.Image import Image as ImageObject
 
 
+if is_pyav_available():
+    import av
+
+
 if TYPE_CHECKING:
     import torch
+    from numpy.typing import NDArray
     from transformers import PreTrainedTokenizer, ProcessorMixin
     from transformers.image_processing_utils import BaseImageProcessor
 
@@ -24,13 +28,14 @@ if TYPE_CHECKING:
         bytes: Optional[bytes]
 
     ImageInput = Union[str, EncodedImage, ImageObject]
+    VideoInput = str
 
 
 def _regularize_images(images: Sequence["ImageInput"], processor: "ProcessorMixin") -> List["ImageObject"]:
     r"""
     Regularizes images to avoid error. Including reading, resizing and converting.
     """
-    image_resolution = getattr(processor, "image_resolution", 512)
+    image_resolution: int = getattr(processor, "image_resolution", 512)
     results = []
     for image in images:
         if isinstance(image, str):
@@ -56,7 +61,37 @@ def _regularize_images(images: Sequence["ImageInput"], processor: "ProcessorMixi
     return results
 
 
-def _get_mm_inputs(images: Sequence["ImageInput"], processor: "ProcessorMixin") -> Dict[str, "torch.Tensor"]:
+def _regularize_videos(videos: Sequence["VideoInput"], processor: "ProcessorMixin") -> List["NDArray"]:
+    r"""
+    Regularizes videos to avoid error. Including reading, resizing and converting.
+    """
+    video_fps: float = getattr(processor, "video_fps", 1.0)
+    video_factor: int = getattr(processor, "video_factor", 1)
+    results = []
+    for video in videos:
+        container = av.open(video, "r")
+        video_stream = next(stream for stream in container.streams if stream.type == "video")
+        total_frames = video_stream.frames
+        sample_frames = float(video_stream.duration * video_stream.time_base) * video_fps
+        sample_frames = round(sample_frames / video_factor) * video_factor  # for qwen2_vl
+        sample_indices = np.linspace(0, total_frames - 1, sample_frames).astype(np.int32)
+        frames: List["ImageObject"] = []
+        container.seek(0)
+        for frame_idx, frame in enumerate(container.decode(video_stream)):
+            if frame_idx in sample_indices:
+                frames.append(frame.to_image())
+
+        frames = _regularize_images(frames, processor)
+        results.append(frames)
+
+    return results
+
+
+def _get_mm_inputs(
+    images: Sequence["ImageInput"],
+    videos: Sequence["VideoInput"],
+    processor: "ProcessorMixin",
+) -> Dict[str, "torch.Tensor"]:
     r"""
     Processes visual inputs.
 
@@ -70,13 +105,19 @@ def _get_mm_inputs(images: Sequence["ImageInput"], processor: "ProcessorMixin")
     It holds num_patches == torch.prod(image_grid_thw)
     """
     image_processor: "BaseImageProcessor" = getattr(processor, "image_processor")
+    input_dict = {"images": None, "videos": None}
     if len(images) != 0:
         images = _regularize_images(images, processor)
-        image_inputs = image_processor(images=images, return_tensors="pt")
-    else:
-        image_inputs = {}
+        input_dict["images"] = images
 
-    return image_inputs
+    if len(videos) != 0:
+        videos = _regularize_videos(videos, processor)
+        input_dict["videos"] = videos
+
+    if input_dict["images"] is not None or input_dict["videos"] is not None:
+        return image_processor(**input_dict, return_tensors="pt")
+    else:
+        return {}
 
 
 def _get_paligemma_token_type_ids(
@@ -97,18 +138,32 @@ def _get_paligemma_token_type_ids(
 
 
 class BasePlugin:
-    def __init__(self, image_token: str) -> None:
+    def __init__(self, image_token: Optional[str], video_token: Optional[str]) -> None:
         self.image_token = image_token
+        self.video_token = video_token
+
+    def _validate_input(
+        self,
+        images: Sequence["ImageInput"],
+        videos: Sequence["VideoInput"],
+    ) -> None:
+        if len(images) != 0 and self.image_token is None:
+            raise ValueError("This model does not support image input.")
+
+        if len(videos) != 0 and self.video_token is None:
+            raise ValueError("This model does not support video input.")
 
     def process_messages(
         self,
         messages: Sequence[Dict[str, str]],
         images: Sequence["ImageInput"],
+        videos: Sequence["VideoInput"],
         processor: Optional["ProcessorMixin"],
     ) -> List[Dict[str, str]]:
         r"""
         Pre-processes input messages before tokenization for VLMs.
         """
+        self._validate_input(images, videos)
         return messages
 
     def process_token_ids(
@@ -116,24 +171,29 @@ class BasePlugin:
         input_ids: List[int],
         labels: Optional[List[int]],
         images: Sequence["ImageInput"],
+        videos: Sequence["VideoInput"],
         tokenizer: "PreTrainedTokenizer",
         processor: Optional["ProcessorMixin"],
     ) -> Tuple[List[int], Optional[List[int]]]:
         r"""
         Pre-processes token ids after tokenization for VLMs.
         """
+        self._validate_input(images, videos)
         return input_ids, labels
 
     def get_mm_inputs(
         self,
         images: Sequence["ImageInput"],
+        videos: Sequence["VideoInput"],
         imglens: Sequence[int],
+        vidlens: Sequence[int],
         seqlens: Sequence[int],
         processor: Optional["ProcessorMixin"],
     ) -> Dict[str, Union[List[int], "torch.Tensor"]]:
         r"""
         Builds batched multimodal inputs for VLMs.
         """
+        self._validate_input(images, videos)
         return {}
 
 
@@ -142,8 +202,10 @@ class LlavaPlugin(BasePlugin):
         self,
         messages: Sequence[Dict[str, str]],
         images: Sequence["ImageInput"],
+        videos: Sequence["VideoInput"],
         processor: Optional["ProcessorMixin"],
     ) -> List[Dict[str, str]]:
+        self._validate_input(images, videos)
         num_image_tokens = 0
         image_seqlen = getattr(processor, "image_seqlen")
         messages = deepcopy(messages)
@@ -163,11 +225,14 @@ class LlavaPlugin(BasePlugin):
     def get_mm_inputs(
         self,
         images: Sequence["ImageInput"],
+        videos: Sequence["VideoInput"],
         imglens: Sequence[int],
+        vidlens: Sequence[int],
         seqlens: Sequence[int],
         processor: Optional["ProcessorMixin"],
     ) -> Dict[str, Union[List[int], "torch.Tensor"]]:
-        return _get_mm_inputs(images, processor)
+        self._validate_input(images, videos)
+        return _get_mm_inputs(images, videos, processor)
 
 
 class PaliGemmaPlugin(BasePlugin):
@@ -175,8 +240,10 @@ class PaliGemmaPlugin(BasePlugin):
         self,
         messages: Sequence[Dict[str, str]],
         images: Sequence["ImageInput"],
+        videos: Sequence["VideoInput"],
         processor: Optional["ProcessorMixin"],
     ) -> List[Dict[str, str]]:
+        self._validate_input(images, videos)
         num_image_tokens = 0
         messages = deepcopy(messages)
         for message in messages:
@@ -197,9 +264,11 @@ class PaliGemmaPlugin(BasePlugin):
         input_ids: List[int],
         labels: Optional[List[int]],
         images: Sequence["ImageInput"],
+        videos: Sequence["VideoInput"],
         tokenizer: "PreTrainedTokenizer",
         processor: Optional["ProcessorMixin"],
     ) -> Tuple[List[int], Optional[List[int]]]:
+        self._validate_input(images, videos)
         num_images = len(images)
         image_seqlen = num_images * getattr(processor, "image_seqlen")
         image_token_id = tokenizer.convert_tokens_to_ids(self.image_token)
@@ -212,11 +281,14 @@ class PaliGemmaPlugin(BasePlugin):
     def get_mm_inputs(
         self,
         images: Sequence["ImageInput"],
+        videos: Sequence["VideoInput"],
         imglens: Sequence[int],
+        vidlens: Sequence[int],
         seqlens: Sequence[int],
         processor: Optional["ProcessorMixin"],
     ) -> Dict[str, Union[List[int], "torch.Tensor"]]:
-        mm_inputs = _get_mm_inputs(images, processor)
+        self._validate_input(images, videos)
+        mm_inputs = _get_mm_inputs(images, videos, processor)
         mm_inputs["token_type_ids"] = _get_paligemma_token_type_ids(imglens, seqlens, processor)
         return mm_inputs
 
@@ -226,16 +298,17 @@ class Qwen2vlPlugin(BasePlugin):
         self,
         messages: Sequence[Dict[str, str]],
         images: Sequence["ImageInput"],
+        videos: Sequence["VideoInput"],
         processor: Optional["ProcessorMixin"],
     ) -> List[Dict[str, str]]:
+        self._validate_input(images, videos)
         image_processor: "BaseImageProcessor" = getattr(processor, "image_processor")
         merge_length: int = getattr(image_processor, "merge_size") ** 2
-        if len(images) != 0:
-            image_grid_thw = _get_mm_inputs(images, processor)["image_grid_thw"]
-        else:
-            image_grid_thw = []
+        mm_inputs = _get_mm_inputs(images, videos, processor)
+        image_grid_thw = mm_inputs.get("image_grid_thw", [])
+        video_grid_thw = mm_inputs.get("video_grid_thw", [])
 
-        num_image_tokens = 0
+        num_image_tokens, num_video_tokens = 0, 0
         messages = deepcopy(messages)
         for message in messages:
             content = message["content"]
@@ -252,21 +325,40 @@ class Qwen2vlPlugin(BasePlugin):
                 )
                 num_image_tokens += 1
 
+            while VIDEO_PLACEHOLDER in content:
+                if num_video_tokens >= len(video_grid_thw):
+                    raise ValueError("`len(videos)` is less than the number of {} tokens.".format(VIDEO_PLACEHOLDER))
+
+                content = content.replace(
+                    VIDEO_PLACEHOLDER,
+                    "<|vision_start|>{}<|vision_end|>".format(
+                        self.video_token * (video_grid_thw[num_video_tokens].prod() // merge_length)
+                    ),
+                    1,
+                )
+                num_video_tokens += 1
+
             message["content"] = content
 
         if len(images) != num_image_tokens:
             raise ValueError("The number of images does not match the number of {} tokens".format(IMAGE_PLACEHOLDER))
 
+        if len(videos) != num_video_tokens:
+            raise ValueError("The number of videos does not match the number of {} tokens".format(VIDEO_PLACEHOLDER))
+
         return messages
 
     def get_mm_inputs(
         self,
         images: Sequence["ImageInput"],
+        videos: Sequence["VideoInput"],
         imglens: Sequence[int],
+        vidlens: Sequence[int],
         seqlens: Sequence[int],
         processor: Optional["ProcessorMixin"],
     ) -> Dict[str, Union[List[int], "torch.Tensor"]]:
-        return _get_mm_inputs(images, processor)
+        self._validate_input(images, videos)
+        return _get_mm_inputs(images, videos, processor)
 
 
 PLUGINS = {
@@ -277,9 +369,13 @@ PLUGINS = {
 }
 
 
-def get_mm_plugin(name: str, image_token: str) -> "BasePlugin":
+def get_mm_plugin(
+    name: str,
+    image_token: Optional[str] = None,
+    video_token: Optional[str] = None,
+) -> "BasePlugin":
     plugin_class = PLUGINS.get(name, None)
     if plugin_class is None:
         raise ValueError("Multimodal plugin `{}` not found.".format(name))
 
-    return plugin_class(image_token)
+    return plugin_class(image_token, video_token)
diff --git a/src/llamafactory/data/parser.py b/src/llamafactory/data/parser.py
index 2dccfc5d..15a6eab8 100644
--- a/src/llamafactory/data/parser.py
+++ b/src/llamafactory/data/parser.py
@@ -43,6 +43,7 @@ class DatasetAttr:
     system: Optional[str] = None
     tools: Optional[str] = None
     images: Optional[str] = None
+    videos: Optional[str] = None
     # rlhf columns
     chosen: Optional[str] = None
     rejected: Optional[str] = None
@@ -126,7 +127,7 @@ def get_dataset_list(dataset_names: Optional[Sequence[str]], dataset_dir: str) -
         dataset_attr.set_attr("num_samples", dataset_info[name])
 
         if "columns" in dataset_info[name]:
-            column_names = ["system", "tools", "images", "chosen", "rejected", "kto_tag"]
+            column_names = ["system", "tools", "images", "videos", "chosen", "rejected", "kto_tag"]
             if dataset_attr.formatting == "alpaca":
                 column_names.extend(["prompt", "query", "response", "history"])
             else:
diff --git a/src/llamafactory/data/processors/feedback.py b/src/llamafactory/data/processors/feedback.py
index 045182d9..a437c688 100644
--- a/src/llamafactory/data/processors/feedback.py
+++ b/src/llamafactory/data/processors/feedback.py
@@ -24,7 +24,7 @@ if TYPE_CHECKING:
     from transformers import PreTrainedTokenizer, ProcessorMixin
 
     from ...hparams import DataArguments
-    from ..mm_plugin import ImageInput
+    from ..mm_plugin import ImageInput, VideoInput
     from ..template import Template
 
 
@@ -38,6 +38,7 @@ def _encode_feedback_example(
     system: Optional[str],
     tools: Optional[str],
     images: Sequence["ImageInput"],
+    videos: Sequence["VideoInput"],
     template: "Template",
     tokenizer: "PreTrainedTokenizer",
     processor: Optional["ProcessorMixin"],
@@ -55,8 +56,8 @@ def _encode_feedback_example(
     else:
         kl_messages = prompt + [kl_response[1]]
 
-    messages = template.mm_plugin.process_messages(messages, images, processor)
-    kl_messages = template.mm_plugin.process_messages(kl_messages, images, processor)
+    messages = template.mm_plugin.process_messages(messages, images, videos, processor)
+    kl_messages = template.mm_plugin.process_messages(kl_messages, images, videos, processor)
     prompt_ids, response_ids = template.encode_oneturn(tokenizer, messages, system, tools)
     kl_prompt_ids, kl_response_ids = template.encode_oneturn(tokenizer, kl_messages, system, tools)
 
@@ -64,8 +65,8 @@ def _encode_feedback_example(
         response_ids += [tokenizer.eos_token_id]
         kl_response_ids += [tokenizer.eos_token_id]
 
-    prompt_ids, _ = template.mm_plugin.process_token_ids(prompt_ids, None, images, tokenizer, processor)
-    kl_prompt_ids, _ = template.mm_plugin.process_token_ids(kl_prompt_ids, None, images, tokenizer, processor)
+    prompt_ids, _ = template.mm_plugin.process_token_ids(prompt_ids, None, images, videos, tokenizer, processor)
+    kl_prompt_ids, _ = template.mm_plugin.process_token_ids(kl_prompt_ids, None, images, videos, tokenizer, processor)
 
     source_len, target_len = infer_seqlen(len(prompt_ids), len(response_ids), cutoff_len)
     prompt_ids = prompt_ids[:source_len]
@@ -103,6 +104,7 @@ def preprocess_feedback_dataset(
             system=examples["_system"][i],
             tools=examples["_tools"][i],
             images=examples["_images"][i] or [],
+            videos=examples["_videos"][i] or [],
             template=template,
             tokenizer=tokenizer,
             processor=processor,
@@ -116,6 +118,7 @@ def preprocess_feedback_dataset(
         model_inputs["kl_labels"].append(kl_labels)
         model_inputs["kto_tags"].append(kto_tag)
         model_inputs["images"].append(examples["_images"][i])
+        model_inputs["videos"].append(examples["_videos"][i])
 
     desirable_num = sum([1 for tag in model_inputs["kto_tags"] if tag])
     undesirable_num = len(model_inputs["kto_tags"]) - desirable_num
diff --git a/src/llamafactory/data/processors/pairwise.py b/src/llamafactory/data/processors/pairwise.py
index fa7e3fd2..05702fa3 100644
--- a/src/llamafactory/data/processors/pairwise.py
+++ b/src/llamafactory/data/processors/pairwise.py
@@ -24,7 +24,7 @@ if TYPE_CHECKING:
     from transformers import PreTrainedTokenizer, ProcessorMixin
 
     from ...hparams import DataArguments
-    from ..mm_plugin import ImageInput
+    from ..mm_plugin import ImageInput, VideoInput
     from ..template import Template
 
 
@@ -37,13 +37,14 @@ def _encode_pairwise_example(
     system: Optional[str],
     tools: Optional[str],
     images: Sequence["ImageInput"],
+    videos: Sequence["VideoInput"],
     template: "Template",
     tokenizer: "PreTrainedTokenizer",
     processor: Optional["ProcessorMixin"],
     cutoff_len: int,
 ) -> Tuple[List[int], List[int], List[int], List[int]]:
-    chosen_messages = template.mm_plugin.process_messages(prompt + [response[0]], images, processor)
-    rejected_messages = template.mm_plugin.process_messages(prompt + [response[1]], images, processor)
+    chosen_messages = template.mm_plugin.process_messages(prompt + [response[0]], images, videos, processor)
+    rejected_messages = template.mm_plugin.process_messages(prompt + [response[1]], images, videos, processor)
     prompt_ids, chosen_ids = template.encode_oneturn(tokenizer, chosen_messages, system, tools)
     _, rejected_ids = template.encode_oneturn(tokenizer, rejected_messages, system, tools)
 
@@ -51,7 +52,7 @@ def _encode_pairwise_example(
         chosen_ids += [tokenizer.eos_token_id]
         rejected_ids += [tokenizer.eos_token_id]
 
-    prompt_ids, _ = template.mm_plugin.process_token_ids(prompt_ids, None, images, tokenizer, processor)
+    prompt_ids, _ = template.mm_plugin.process_token_ids(prompt_ids, None, images, videos, tokenizer, processor)
     # consider the response is more important
     source_len, target_len = infer_seqlen(len(prompt_ids), max(len(chosen_ids), len(rejected_ids)), cutoff_len)
     prompt_ids = prompt_ids[:source_len]
@@ -85,6 +86,7 @@ def preprocess_pairwise_dataset(
             system=examples["_system"][i],
             tools=examples["_tools"][i],
             images=examples["_images"][i] or [],
+            videos=examples["_videos"][i] or [],
             template=template,
             tokenizer=tokenizer,
             processor=processor,
@@ -97,6 +99,7 @@ def preprocess_pairwise_dataset(
         model_inputs["rejected_attention_mask"].append([1] * len(rejected_input_ids))
         model_inputs["rejected_labels"].append(rejected_labels)
         model_inputs["images"].append(examples["_images"][i])
+        model_inputs["videos"].append(examples["_videos"][i])
 
     return model_inputs
 
diff --git a/src/llamafactory/data/processors/supervised.py b/src/llamafactory/data/processors/supervised.py
index 00e5ed44..66625640 100644
--- a/src/llamafactory/data/processors/supervised.py
+++ b/src/llamafactory/data/processors/supervised.py
@@ -24,7 +24,7 @@ if TYPE_CHECKING:
     from transformers import PreTrainedTokenizer, ProcessorMixin
 
     from ...hparams import DataArguments
-    from ..mm_plugin import ImageInput
+    from ..mm_plugin import ImageInput, VideoInput
     from ..template import Template
 
 
@@ -37,6 +37,7 @@ def _encode_supervised_example(
     system: Optional[str],
     tools: Optional[str],
     images: Sequence["ImageInput"],
+    videos: Sequence["VideoInput"],
     template: "Template",
     tokenizer: "PreTrainedTokenizer",
     processor: Optional["ProcessorMixin"],
@@ -44,8 +45,8 @@ def _encode_supervised_example(
     train_on_prompt: bool,
     mask_history: bool,
 ) -> Tuple[List[int], List[int]]:
-    messages = template.mm_plugin.process_messages(prompt + response, images, processor)
-    input_ids, labels = template.mm_plugin.process_token_ids([], [], images, tokenizer, processor)
+    messages = template.mm_plugin.process_messages(prompt + response, images, videos, processor)
+    input_ids, labels = template.mm_plugin.process_token_ids([], [], images, videos, tokenizer, processor)
     encoded_pairs = template.encode_multiturn(tokenizer, messages, system, tools)
     total_length = len(input_ids) + (1 if template.efficient_eos else 0)
     if mask_history:
@@ -107,6 +108,7 @@ def preprocess_supervised_dataset(
             system=examples["_system"][i],
             tools=examples["_tools"][i],
             images=examples["_images"][i] or [],
+            videos=examples["_videos"][i] or [],
             template=template,
             tokenizer=tokenizer,
             processor=processor,
@@ -118,6 +120,7 @@ def preprocess_supervised_dataset(
         model_inputs["attention_mask"].append([1] * len(input_ids))
         model_inputs["labels"].append(labels)
         model_inputs["images"].append(examples["_images"][i])
+        model_inputs["videos"].append(examples["_videos"][i])
 
     return model_inputs
 
@@ -132,11 +135,8 @@ def preprocess_packed_supervised_dataset(
     # TODO: use `position_ids` to achieve packing
     # build inputs with format `<bos> X1 Y1 <eos> <bos> X2 Y2 <eos>`
     # and labels with format `<ignore> ... <ignore> Y1 <eos> <ignore> ... <ignore> Y2 <eos>`
-    if processor is not None:
-        raise NotImplementedError("`packing` have not been implemented for multimodal datasets.")
-
     valid_num = 0
-    batch_input_ids, batch_labels = [], []
+    batch_input_ids, batch_labels, batch_images, batch_videos = [], [], [], []
     lengths = []
     length2indexes = defaultdict(list)
     for i in range(len(examples["_prompt"])):
@@ -150,9 +150,10 @@ def preprocess_packed_supervised_dataset(
             system=examples["_system"][i],
             tools=examples["_tools"][i],
             images=examples["_images"][i] or [],
+            videos=examples["_videos"][i] or [],
             template=template,
             tokenizer=tokenizer,
-            processor=None,
+            processor=processor,
             cutoff_len=data_args.cutoff_len - 1,  # reserved for the padding token
             train_on_prompt=data_args.train_on_prompt,
             mask_history=data_args.mask_history,
@@ -165,16 +166,21 @@ def preprocess_packed_supervised_dataset(
             length2indexes[length].append(valid_num)
             batch_input_ids.append(input_ids)
             batch_labels.append(labels)
+            batch_images.append(examples["_images"][i] or [])
+            batch_videos.append(examples["_videos"][i] or [])
             valid_num += 1
 
     model_inputs = defaultdict(list)
     knapsacks = greedy_knapsack(lengths, data_args.cutoff_len - 1)  # reserved for the padding token
     for knapsack in knapsacks:
         packed_input_ids, packed_attention_masks, packed_labels = [], [], []
+        packed_images, packed_videos = [], []
         for i, length in enumerate(knapsack):
             index = length2indexes[length].pop()
             packed_input_ids += batch_input_ids[index]
             packed_labels += batch_labels[index]
+            packed_images += batch_images[index]
+            packed_videos += batch_videos[index]
             if data_args.neat_packing:
                 packed_attention_masks += [i + 1] * len(batch_input_ids[index])  # start from 1
             else:
@@ -195,7 +201,8 @@ def preprocess_packed_supervised_dataset(
         model_inputs["input_ids"].append(packed_input_ids)
         model_inputs["attention_mask"].append(packed_attention_masks)
         model_inputs["labels"].append(packed_labels)
-        model_inputs["images"].append(examples["_images"][i])
+        model_inputs["images"].append(packed_images or None)
+        model_inputs["videos"].append(packed_videos or None)
 
     return model_inputs
 
diff --git a/src/llamafactory/data/processors/unsupervised.py b/src/llamafactory/data/processors/unsupervised.py
index 6f251969..0a96935b 100644
--- a/src/llamafactory/data/processors/unsupervised.py
+++ b/src/llamafactory/data/processors/unsupervised.py
@@ -24,7 +24,7 @@ if TYPE_CHECKING:
     from transformers import PreTrainedTokenizer, ProcessorMixin
 
     from ...hparams import DataArguments
-    from ..mm_plugin import ImageInput
+    from ..mm_plugin import ImageInput, VideoInput
     from ..template import Template
 
 
@@ -37,6 +37,7 @@ def _encode_unsupervised_example(
     system: Optional[str],
     tools: Optional[str],
     images: Sequence["ImageInput"],
+    videos: Sequence["VideoInput"],
     template: "Template",
     tokenizer: "PreTrainedTokenizer",
     processor: Optional["ProcessorMixin"],
@@ -47,12 +48,12 @@ def _encode_unsupervised_example(
     else:
         messages = prompt + [{"role": Role.ASSISTANT.value, "content": ""}]
 
-    messages = template.mm_plugin.process_messages(messages, images, processor)
+    messages = template.mm_plugin.process_messages(messages, images, videos, processor)
     input_ids, labels = template.encode_oneturn(tokenizer, messages, system, tools)
     if template.efficient_eos:
         labels += [tokenizer.eos_token_id]
 
-    input_ids, _ = template.mm_plugin.process_token_ids(input_ids, None, images, tokenizer, processor)
+    input_ids, _ = template.mm_plugin.process_token_ids(input_ids, None, images, videos, tokenizer, processor)
     source_len, target_len = infer_seqlen(len(input_ids), len(labels), cutoff_len)
     input_ids = input_ids[:source_len]
     labels = labels[:target_len]
@@ -79,6 +80,7 @@ def preprocess_unsupervised_dataset(
             system=examples["_system"][i],
             tools=examples["_tools"][i],
             images=examples["_images"][i] or [],
+            videos=examples["_videos"][i] or [],
             template=template,
             tokenizer=tokenizer,
             processor=processor,
@@ -88,6 +90,7 @@ def preprocess_unsupervised_dataset(
         model_inputs["attention_mask"].append([1] * len(input_ids))
         model_inputs["labels"].append(labels)
         model_inputs["images"].append(examples["_images"][i])
+        model_inputs["videos"].append(examples["_videos"][i])
 
     return model_inputs
 
diff --git a/src/llamafactory/data/template.py b/src/llamafactory/data/template.py
index 818e5625..5160e0c2 100644
--- a/src/llamafactory/data/template.py
+++ b/src/llamafactory/data/template.py
@@ -17,7 +17,6 @@ from typing import TYPE_CHECKING, Dict, List, Optional, Sequence, Tuple, Union
 
 from transformers.utils.versions import require_version
 
-from ..extras.constants import IMAGE_PLACEHOLDER
 from ..extras.logging import get_logger
 from .data_utils import Role
 from .formatter import EmptyFormatter, FunctionFormatter, StringFormatter, ToolFormatter
@@ -213,7 +212,7 @@ def _register_template(
     stop_words: Sequence[str] = [],
     efficient_eos: bool = False,
     replace_eos: bool = False,
-    mm_plugin: "BasePlugin" = get_mm_plugin(name="base", image_token=IMAGE_PLACEHOLDER),
+    mm_plugin: "BasePlugin" = get_mm_plugin(name="base"),
 ) -> None:
     r"""
     Registers a chat template.
@@ -826,7 +825,7 @@ _register_template(
     default_system="You are a helpful assistant.",
     stop_words=["<|im_end|>"],
     replace_eos=True,
-    mm_plugin=get_mm_plugin(name="qwen2_vl", image_token="<|image_pad|>"),
+    mm_plugin=get_mm_plugin(name="qwen2_vl", image_token="<|image_pad|>", video_token="<|video_pad|>"),
 )
 
 
diff --git a/src/llamafactory/extras/constants.py b/src/llamafactory/extras/constants.py
index fc2d3460..60940b34 100644
--- a/src/llamafactory/extras/constants.py
+++ b/src/llamafactory/extras/constants.py
@@ -95,6 +95,8 @@ SUPPORTED_CLASS_FOR_BLOCK_DIAG_ATTN = {
 
 SUPPORTED_CLASS_FOR_S2ATTN = {"llama"}
 
+VIDEO_PLACEHOLDER = "<video>"
+
 V_HEAD_WEIGHTS_NAME = "value_head.bin"
 
 V_HEAD_SAFE_WEIGHTS_NAME = "value_head.safetensors"
diff --git a/src/llamafactory/extras/packages.py b/src/llamafactory/extras/packages.py
index ae270d1b..3465a92a 100644
--- a/src/llamafactory/extras/packages.py
+++ b/src/llamafactory/extras/packages.py
@@ -38,6 +38,10 @@ def _get_package_version(name: str) -> "Version":
         return version.parse("0.0.0")
 
 
+def is_pyav_available():
+    return _is_package_available("av")
+
+
 def is_fastapi_available():
     return _is_package_available("fastapi")
 
diff --git a/src/llamafactory/hparams/model_args.py b/src/llamafactory/hparams/model_args.py
index 96d27a31..c763b1ae 100644
--- a/src/llamafactory/hparams/model_args.py
+++ b/src/llamafactory/hparams/model_args.py
@@ -142,6 +142,10 @@ class ModelArguments:
         default=512,
         metadata={"help": "Keeps the height or width of image below this resolution."},
     )
+    video_fps: float = field(
+        default=2.0,
+        metadata={"help": "The frames to sample per second for video training."},
+    )
     infer_backend: Literal["huggingface", "vllm"] = field(
         default="huggingface",
         metadata={"help": "Backend engine used at inference."},
diff --git a/src/llamafactory/model/loader.py b/src/llamafactory/model/loader.py
index ed1f5741..5f0ba96f 100644
--- a/src/llamafactory/model/loader.py
+++ b/src/llamafactory/model/loader.py
@@ -100,6 +100,11 @@ def load_tokenizer(model_args: "ModelArguments") -> "TokenizerModule":
         setattr(processor, "tokenizer", tokenizer)
         setattr(processor, "image_seqlen", get_image_seqlen(config))
         setattr(processor, "image_resolution", model_args.image_resolution)
+        setattr(processor, "video_fps", model_args.video_fps)
+        if getattr(config, "model_type", None) == "qwen2_vl":
+            setattr(processor, "video_factor", 2)
+        else:
+            setattr(processor, "video_factor", 1)
     except Exception:
         processor = None
 
diff --git a/src/llamafactory/webui/chatter.py b/src/llamafactory/webui/chatter.py
index d4366982..7512887b 100644
--- a/src/llamafactory/webui/chatter.py
+++ b/src/llamafactory/webui/chatter.py
@@ -133,6 +133,7 @@ class WebChatModel(ChatModel):
         system: str,
         tools: str,
         image: Optional[Any],
+        video: Optional[Any],
         max_new_tokens: int,
         top_p: float,
         temperature: float,
@@ -140,7 +141,7 @@ class WebChatModel(ChatModel):
         chatbot[-1][1] = ""
         response = ""
         for new_text in self.stream_chat(
-            messages, system, tools, image, max_new_tokens=max_new_tokens, top_p=top_p, temperature=temperature
+            messages, system, tools, image, video, max_new_tokens=max_new_tokens, top_p=top_p, temperature=temperature
         ):
             response += new_text
             if tools:
diff --git a/src/llamafactory/webui/components/chatbot.py b/src/llamafactory/webui/components/chatbot.py
index d7fc58f5..b71e8bb3 100644
--- a/src/llamafactory/webui/components/chatbot.py
+++ b/src/llamafactory/webui/components/chatbot.py
@@ -43,8 +43,12 @@ def create_chat_box(
                         system = gr.Textbox(show_label=False)
                         tools = gr.Textbox(show_label=False, lines=3)
 
-                    with gr.Column() as image_box:
-                        image = gr.Image(sources=["upload"], type="pil")
+                    with gr.Column() as mm_box:
+                        with gr.Tab("Image"):
+                            image = gr.Image(sources=["upload"], type="pil")
+
+                        with gr.Tab("Video"):
+                            video = gr.Video(sources=["upload"])
 
                 query = gr.Textbox(show_label=False, lines=8)
                 submit_btn = gr.Button(variant="primary")
@@ -63,7 +67,7 @@ def create_chat_box(
         [chatbot, messages, query],
     ).then(
         engine.chatter.stream,
-        [chatbot, messages, system, tools, image, max_new_tokens, top_p, temperature],
+        [chatbot, messages, system, tools, image, video, max_new_tokens, top_p, temperature],
         [chatbot, messages],
     )
     clear_btn.click(lambda: ([], []), outputs=[chatbot, messages])
@@ -76,8 +80,9 @@ def create_chat_box(
             role=role,
             system=system,
             tools=tools,
-            image_box=image_box,
+            mm_box=mm_box,
             image=image,
+            video=video,
             query=query,
             submit_btn=submit_btn,
             max_new_tokens=max_new_tokens,
diff --git a/src/llamafactory/webui/components/infer.py b/src/llamafactory/webui/components/infer.py
index 9bbdc842..6647cd7a 100644
--- a/src/llamafactory/webui/components/infer.py
+++ b/src/llamafactory/webui/components/infer.py
@@ -68,7 +68,7 @@ def create_infer_tab(engine: "Engine") -> Dict[str, "Component"]:
     engine.manager.get_elem_by_id("top.model_name").change(
         lambda model_name: gr.Column(visible=get_visual(model_name)),
         [engine.manager.get_elem_by_id("top.model_name")],
-        [chat_elems["image_box"]],
+        [chat_elems["mm_box"]],
     )
 
     return elem_dict
diff --git a/src/llamafactory/webui/engine.py b/src/llamafactory/webui/engine.py
index 04893215..a41e6974 100644
--- a/src/llamafactory/webui/engine.py
+++ b/src/llamafactory/webui/engine.py
@@ -59,7 +59,7 @@ class Engine:
             init_dict["train.output_dir"] = {"value": "train_{}".format(current_time)}
             init_dict["train.config_path"] = {"value": "{}.yaml".format(current_time)}
             init_dict["eval.output_dir"] = {"value": "eval_{}".format(current_time)}
-            init_dict["infer.image_box"] = {"visible": False}
+            init_dict["infer.mm_box"] = {"visible": False}
 
             if user_config.get("last_model", None):
                 init_dict["top.model_name"] = {"value": user_config["last_model"]}
diff --git a/src/llamafactory/webui/locales.py b/src/llamafactory/webui/locales.py
index 852c6f23..5fc9dda9 100644
--- a/src/llamafactory/webui/locales.py
+++ b/src/llamafactory/webui/locales.py
@@ -1691,6 +1691,20 @@ LOCALES = {
             "label": "이미지 (선택 사항)",
         },
     },
+    "video": {
+        "en": {
+            "label": "Video (optional)",
+        },
+        "ru": {
+            "label": "Видео (по желанию)",
+        },
+        "zh": {
+            "label": "视频（非必填）",
+        },
+        "ko": {
+            "label": "비디오 (선택 사항)",
+        },
+    },
     "query": {
         "en": {
             "placeholder": "Input...",
diff --git a/tests/data/test_mm_plugin.py b/tests/data/test_mm_plugin.py
index a40080ec..cb8576ed 100644
--- a/tests/data/test_mm_plugin.py
+++ b/tests/data/test_mm_plugin.py
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 import os
-from typing import TYPE_CHECKING, Any, Dict, Tuple
+from typing import TYPE_CHECKING, Any, Dict, List, Sequence, Tuple
 
 import pytest
 import torch
@@ -28,6 +28,8 @@ if TYPE_CHECKING:
     from transformers import PreTrainedTokenizer, ProcessorMixin
     from transformers.image_processing_utils import BaseImageProcessor
 
+    from llamafactory.data.mm_plugin import BasePlugin
+
 
 HF_TOKEN = os.environ.get("HF_TOKEN", None)
 
@@ -47,10 +49,14 @@ IMAGES = [Image.new("RGB", (32, 32), (255, 255, 255))]
 
 NO_IMAGES = []
 
+NO_VIDEOS = []
+
 IMGLENS = [1]
 
 NO_IMGLENS = [0]
 
+NO_VIDLENS = [0]
+
 INPUT_IDS = [0, 1, 2, 3, 4]
 
 LABELS = [0, 1, 2, 3, 4]
@@ -78,92 +84,97 @@ def _load_tokenizer_module(model_name_or_path: str) -> Tuple["PreTrainedTokenize
     return tokenizer_module["tokenizer"], tokenizer_module["processor"]
 
 
+def _check_plugin(
+    plugin: "BasePlugin",
+    tokenizer: "PreTrainedTokenizer",
+    processor: "ProcessorMixin",
+    expected_mm_messages: Sequence[Dict[str, str]],
+    expected_input_ids: List[int],
+    expected_labels: List[int],
+    expected_mm_inputs: Dict[str, Any],
+    expected_no_mm_inputs: Dict[str, Any],
+) -> None:
+    # test mm_messages
+    assert plugin.process_messages(MM_MESSAGES, IMAGES, NO_VIDEOS, processor) == expected_mm_messages
+    assert plugin.process_token_ids(INPUT_IDS, LABELS, IMAGES, NO_VIDEOS, tokenizer, processor) == (
+        expected_input_ids,
+        expected_labels,
+    )
+    _is_close(
+        plugin.get_mm_inputs(IMAGES, NO_VIDEOS, IMGLENS, NO_VIDLENS, SEQLENS, processor),
+        expected_mm_inputs,
+    )
+    # test text_messages
+    assert plugin.process_messages(TEXT_MESSAGES, NO_IMAGES, NO_VIDEOS, processor) == TEXT_MESSAGES
+    assert plugin.process_token_ids(INPUT_IDS, LABELS, NO_IMAGES, NO_VIDEOS, tokenizer, processor) == (
+        INPUT_IDS,
+        LABELS,
+    )
+    _is_close(
+        plugin.get_mm_inputs(NO_IMAGES, NO_VIDEOS, NO_IMGLENS, NO_VIDLENS, SEQLENS, processor),
+        expected_no_mm_inputs,
+    )
+
+
 def test_base_plugin():
     tokenizer, processor = _load_tokenizer_module(model_name_or_path=TINY_LLAMA)
     base_plugin = get_mm_plugin(name="base", image_token="<image>")
-    # test mm_messages
-    assert base_plugin.process_messages(MM_MESSAGES, IMAGES, processor) == MM_MESSAGES
-    assert base_plugin.process_token_ids(INPUT_IDS, LABELS, IMAGES, tokenizer, processor) == (INPUT_IDS, LABELS)
-    _is_close(base_plugin.get_mm_inputs(IMAGES, IMGLENS, SEQLENS, processor), {})
-    # test text_messages
-    assert base_plugin.process_messages(TEXT_MESSAGES, NO_IMAGES, processor) == TEXT_MESSAGES
-    assert base_plugin.process_token_ids(INPUT_IDS, LABELS, NO_IMAGES, tokenizer, processor) == (INPUT_IDS, LABELS)
-    _is_close(base_plugin.get_mm_inputs(NO_IMAGES, NO_IMGLENS, SEQLENS, processor), {})
+    check_inputs = {"plugin": base_plugin, "tokenizer": tokenizer, "processor": processor}
+    check_inputs["expected_mm_messages"] = MM_MESSAGES
+    check_inputs["expected_input_ids"] = INPUT_IDS
+    check_inputs["expected_labels"] = LABELS
+    check_inputs["expected_mm_inputs"] = {}
+    check_inputs["expected_no_mm_inputs"] = {}
+    _check_plugin(**check_inputs)
 
 
 def test_llava_plugin():
     tokenizer, processor = _load_tokenizer_module(model_name_or_path="llava-hf/llava-1.5-7b-hf")
+    llava_plugin = get_mm_plugin(name="llava", image_token="<image>")
     image_seqlen = 576
-
-    mm_inputs = _get_mm_inputs(processor)
-    expected_mm_messages = [
+    check_inputs = {"plugin": llava_plugin, "tokenizer": tokenizer, "processor": processor}
+    check_inputs["expected_mm_messages"] = [
         {key: value.replace("<image>", "<image>" * image_seqlen) for key, value in message.items()}
         for message in MM_MESSAGES
     ]
-
-    llava_plugin = get_mm_plugin(name="llava", image_token="<image>")
-    # test mm_messages
-    assert llava_plugin.process_messages(MM_MESSAGES, IMAGES, processor) == expected_mm_messages
-    assert llava_plugin.process_token_ids(INPUT_IDS, LABELS, IMAGES, tokenizer, processor) == (INPUT_IDS, LABELS)
-    _is_close(llava_plugin.get_mm_inputs(IMAGES, IMGLENS, SEQLENS, processor), mm_inputs)
-    # test text_messages
-    assert llava_plugin.process_messages(TEXT_MESSAGES, NO_IMAGES, processor) == TEXT_MESSAGES
-    assert llava_plugin.process_token_ids(INPUT_IDS, LABELS, NO_IMAGES, tokenizer, processor) == (INPUT_IDS, LABELS)
-    _is_close(llava_plugin.get_mm_inputs(NO_IMAGES, NO_IMGLENS, SEQLENS, processor), {})
+    check_inputs["expected_input_ids"] = INPUT_IDS
+    check_inputs["expected_labels"] = LABELS
+    check_inputs["expected_mm_inputs"] = _get_mm_inputs(processor)
+    check_inputs["expected_no_mm_inputs"] = {}
+    _check_plugin(**check_inputs)
 
 
 @pytest.mark.skipif(not HF_TOKEN, reason="Gated model.")
 def test_paligemma_plugin():
     tokenizer, processor = _load_tokenizer_module(model_name_or_path="google/paligemma-3b-pt-224")
+    paligemma_plugin = get_mm_plugin(name="paligemma", image_token="<image>")
     image_seqlen = 256
-
-    mm_inputs = _get_mm_inputs(processor)
-    mm_inputs["token_type_ids"] = [[0] * image_seqlen + [1] * (1024 - image_seqlen)]
-    expected_mm_messages = [
+    check_inputs = {"plugin": paligemma_plugin, "tokenizer": tokenizer, "processor": processor}
+    check_inputs["expected_mm_messages"] = [
         {key: value.replace("<image>", "") for key, value in message.items()} for message in MM_MESSAGES
     ]
-    expected_input_ids = [tokenizer.convert_tokens_to_ids("<image>")] * image_seqlen + INPUT_IDS
-    expected_labels = [-100] * image_seqlen + LABELS
-
-    paligemma_plugin = get_mm_plugin(name="paligemma", image_token="<image>")
-    # test mm_messages
-    assert paligemma_plugin.process_messages(MM_MESSAGES, IMAGES, processor) == expected_mm_messages
-    assert paligemma_plugin.process_token_ids(INPUT_IDS, LABELS, IMAGES, tokenizer, processor) == (
-        expected_input_ids,
-        expected_labels,
-    )
-    _is_close(paligemma_plugin.get_mm_inputs(IMAGES, IMGLENS, SEQLENS, processor), mm_inputs)
-    # test text_messages
-    assert paligemma_plugin.process_messages(TEXT_MESSAGES, NO_IMAGES, processor) == TEXT_MESSAGES
-    assert paligemma_plugin.process_token_ids(INPUT_IDS, LABELS, NO_IMAGES, tokenizer, processor) == (
-        INPUT_IDS,
-        LABELS,
-    )
-    _is_close(
-        paligemma_plugin.get_mm_inputs(NO_IMAGES, NO_IMGLENS, SEQLENS, processor),
-        {"token_type_ids": [[1] * 1024]},
-    )
+    check_inputs["expected_input_ids"] = [tokenizer.convert_tokens_to_ids("<image>")] * image_seqlen + INPUT_IDS
+    check_inputs["expected_labels"] = [-100] * image_seqlen + LABELS
+    check_inputs["expected_mm_inputs"] = _get_mm_inputs(processor)
+    check_inputs["expected_mm_inputs"]["token_type_ids"] = [[0] * image_seqlen + [1] * (1024 - image_seqlen)]
+    check_inputs["expected_no_mm_inputs"] = {"token_type_ids": [[1] * 1024]}
+    _check_plugin(**check_inputs)
 
 
 def test_qwen2_vl_plugin():
     tokenizer, processor = _load_tokenizer_module(model_name_or_path="Qwen/Qwen2-VL-7B-Instruct")
+    qwen2_vl_plugin = get_mm_plugin(name="qwen2_vl", image_token="<|image_pad|>")
     image_seqlen = 4
-
-    mm_inputs = _get_mm_inputs(processor)
-    expected_mm_messages = [
+    check_inputs = {"plugin": qwen2_vl_plugin, "tokenizer": tokenizer, "processor": processor}
+    check_inputs["expected_mm_messages"] = [
         {
             key: value.replace("<image>", "<|vision_start|>{}<|vision_end|>".format("<|image_pad|>" * image_seqlen))
             for key, value in message.items()
         }
         for message in MM_MESSAGES
     ]
-
-    qwen2_vl_plugin = get_mm_plugin(name="qwen2_vl", image_token="<|image_pad|>")
-    # test mm_messages
-    assert qwen2_vl_plugin.process_messages(MM_MESSAGES, IMAGES, processor) == expected_mm_messages
-    assert qwen2_vl_plugin.process_token_ids(INPUT_IDS, LABELS, IMAGES, tokenizer, processor) == (INPUT_IDS, LABELS)
-    _is_close(qwen2_vl_plugin.get_mm_inputs(IMAGES, IMGLENS, SEQLENS, processor), mm_inputs)
-    # test text_messages
-    assert qwen2_vl_plugin.process_messages(TEXT_MESSAGES, NO_IMAGES, processor) == TEXT_MESSAGES
-    assert qwen2_vl_plugin.process_token_ids(INPUT_IDS, LABELS, NO_IMAGES, tokenizer, processor) == (INPUT_IDS, LABELS)
-    _is_close(qwen2_vl_plugin.get_mm_inputs(NO_IMAGES, NO_IMGLENS, SEQLENS, processor), {})
+    check_inputs["expected_input_ids"] = INPUT_IDS
+    check_inputs["expected_labels"] = LABELS
+    check_inputs["expected_mm_inputs"] = _get_mm_inputs(processor)
+    check_inputs["expected_no_mm_inputs"] = {}
+    _check_plugin(**check_inputs)