diff --git a/docs/source/api/modelscope.pydatasets.rst b/docs/source/api/modelscope.pydatasets.rst
index 33f2fab5..2508a91f 100644
--- a/docs/source/api/modelscope.pydatasets.rst
+++ b/docs/source/api/modelscope.pydatasets.rst
@@ -1,7 +1,7 @@
-modelscope.datasets package
+modelscope.pydatasets package
 =============================
 
-.. automodule:: modelscope.datasets
+.. automodule:: modelscope.pydatasets
    :members:
    :undoc-members:
    :show-inheritance:
@@ -9,10 +9,10 @@ modelscope.datasets package
 Submodules
 ----------
 
-modelscope.datasets.py\_dataset module
+modelscope.pydatasets.py\_dataset module
 ----------------------------------------
 
-.. automodule:: modelscope.datasets.ms_dataset
+.. automodule:: modelscope.pydatasets.py_dataset
    :members:
    :undoc-members:
    :show-inheritance:
diff --git a/docs/source/api/modelscope.rst b/docs/source/api/modelscope.rst
index f1389717..efab568b 100644
--- a/docs/source/api/modelscope.rst
+++ b/docs/source/api/modelscope.rst
@@ -16,7 +16,7 @@ Subpackages
    modelscope.models
    modelscope.pipelines
    modelscope.preprocessors
-   modelscope.datasets
+   modelscope.pydatasets
    modelscope.trainers
    modelscope.utils
 
diff --git a/docs/source/quick_start.md b/docs/source/quick_start.md
index 91509fa4..7148f27f 100644
--- a/docs/source/quick_start.md
+++ b/docs/source/quick_start.md
@@ -3,7 +3,7 @@
 ## python环境配置
 首先，参考[文档](https://docs.anaconda.com/anaconda/install/) 安装配置Anaconda环境
 
-安装完成后，执行如下命令为modelscope library创建对应的python环境。
+安装完成后，执行如下命令为maas library创建对应的python环境。
 ```shell
 conda create -n modelscope python=3.6
 conda activate modelscope
@@ -105,15 +105,15 @@ import cv2
 import os.path as osp
 from modelscope.pipelines import pipeline
 from modelscope.utils.constant import Tasks
-from modelscope.datasets import MsDataset
+from modelscope.pydatasets import PyDataset
 
-# 使用图像url构建MsDataset，此处也可通过 input_location = '/dir/to/images' 来使用本地文件夹
+# 使用图像url构建PyDataset，此处也可通过 input_location = '/dir/to/images' 来使用本地文件夹
 input_location = [
     'http://pai-vision-data-hz.oss-cn-zhangjiakou.aliyuncs.com/data/test/maas/image_matting/test.png'
 ]
-dataset = MsDataset.load(input_location, target='image')
+dataset = PyDataset.load(input_location, target='image')
 img_matting = pipeline(Tasks.image_matting, model='damo/image-matting-person')
-# 输入为MsDataset时，输出的结果为迭代器
+# 输入为PyDataset时，输出的结果为迭代器
 result = img_matting(dataset)
 cv2.imwrite('result.png', next(result)['output_png'])
 print(f'Output written to {osp.abspath("result.png")}')
diff --git a/modelscope/datasets/__init__.py b/modelscope/datasets/__init__.py
deleted file mode 100644
index 8e0647bb..00000000
--- a/modelscope/datasets/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-from .ms_dataset import MsDataset
diff --git a/modelscope/hub/file_download.py b/modelscope/hub/file_download.py
index b92bf89c..e5c64f1c 100644
--- a/modelscope/hub/file_download.py
+++ b/modelscope/hub/file_download.py
@@ -187,7 +187,7 @@ def get_file_download_url(model_id: str, file_path: str, revision: str):
     """
     Format file download url according to `model_id`, `revision` and `file_path`.
     e.g., Given `model_id=john/bert`, `revision=master`, `file_path=README.md`,
-    the resulted download url is: https://modelscope.co/api/v1/models/john/bert/repo?Revision=master&FilePath=README.md
+    the resulted download url is: https://maas.co/api/v1/models/john/bert/repo?Revision=master&FilePath=README.md
     """
     download_url_template = '{endpoint}/api/v1/models/{model_id}/repo?Revision={revision}&FilePath={file_path}'
     return download_url_template.format(
diff --git a/modelscope/pipelines/base.py b/modelscope/pipelines/base.py
index cf4ce8fd..7e32f543 100644
--- a/modelscope/pipelines/base.py
+++ b/modelscope/pipelines/base.py
@@ -4,17 +4,17 @@ import os.path as osp
 from abc import ABC, abstractmethod
 from typing import Any, Dict, Generator, List, Union
 
-from modelscope.datasets import MsDataset
 from modelscope.hub.snapshot_download import snapshot_download
 from modelscope.models.base import Model
 from modelscope.preprocessors import Preprocessor
+from modelscope.pydatasets import PyDataset
 from modelscope.utils.config import Config
 from modelscope.utils.logger import get_logger
 from .outputs import TASK_OUTPUTS
 from .util import is_model, is_official_hub_path
 
 Tensor = Union['torch.Tensor', 'tf.Tensor']
-Input = Union[str, tuple, MsDataset, 'PIL.Image.Image', 'numpy.ndarray']
+Input = Union[str, tuple, PyDataset, 'PIL.Image.Image', 'numpy.ndarray']
 InputModel = Union[str, Model]
 
 output_keys = [
@@ -85,7 +85,7 @@ class Pipeline(ABC):
             for ele in input:
                 output.append(self._process_single(ele, *args, **post_kwargs))
 
-        elif isinstance(input, MsDataset):
+        elif isinstance(input, PyDataset):
             return self._process_iterator(input, *args, **post_kwargs)
 
         else:
diff --git a/modelscope/pydatasets/__init__.py b/modelscope/pydatasets/__init__.py
new file mode 100644
index 00000000..a1ed1d93
--- /dev/null
+++ b/modelscope/pydatasets/__init__.py
@@ -0,0 +1 @@
+from .py_dataset import PyDataset
diff --git a/modelscope/datasets/config.py b/modelscope/pydatasets/config.py
similarity index 100%
rename from modelscope/datasets/config.py
rename to modelscope/pydatasets/config.py
diff --git a/modelscope/datasets/ms_dataset.py b/modelscope/pydatasets/py_dataset.py
similarity index 96%
rename from modelscope/datasets/ms_dataset.py
rename to modelscope/pydatasets/py_dataset.py
index 80ffc77a..49137253 100644
--- a/modelscope/datasets/ms_dataset.py
+++ b/modelscope/pydatasets/py_dataset.py
@@ -10,8 +10,8 @@ from datasets.packaged_modules import _PACKAGED_DATASETS_MODULES
 from datasets.utils.file_utils import (is_relative_path,
                                        relative_to_absolute_path)
 
-from modelscope.datasets.config import MS_DATASETS_CACHE
-from modelscope.datasets.utils.ms_api import MsApi
+from modelscope.pydatasets.config import MS_DATASETS_CACHE
+from modelscope.pydatasets.utils.ms_api import MsApi
 from modelscope.utils.constant import Hubs
 from modelscope.utils.logger import get_logger
 
@@ -28,9 +28,9 @@ def format_list(para) -> List:
     return para
 
 
-class MsDataset:
+class PyDataset:
     _hf_ds = None  # holds the underlying HuggingFace Dataset
-    """A MsDataset backed by hugging face Dataset."""
+    """A PyDataset backed by hugging face Dataset."""
 
     def __init__(self, hf_ds: Dataset, target: Optional[str] = None):
         self._hf_ds = hf_ds
@@ -49,7 +49,7 @@ class MsDataset:
     @classmethod
     def from_hf_dataset(cls,
                         hf_ds: Dataset,
-                        target: str = None) -> Union[dict, 'MsDataset']:
+                        target: str = None) -> Union[dict, 'PyDataset']:
         if isinstance(hf_ds, Dataset):
             return cls(hf_ds, target)
         if len(hf_ds.keys()) == 1:
@@ -68,8 +68,8 @@ class MsDataset:
         data_files: Optional[Union[str, Sequence[str],
                                    Mapping[str, Union[str,
                                                       Sequence[str]]]]] = None
-    ) -> Union[dict, 'MsDataset']:
-        """Load a MsDataset from the ModelScope Hub, Hugging Face Hub, urls, or a local dataset.
+    ) -> Union[dict, 'PyDataset']:
+        """Load a PyDataset from the ModelScope Hub, Hugging Face Hub, urls, or a local dataset.
             Args:
 
                 dataset_name (str): Path or name of the dataset.
@@ -82,7 +82,7 @@ class MsDataset:
                 hub (Hubs, optional): When loading from a remote hub, where it is from
 
             Returns:
-                MsDataset (obj:`MsDataset`): MsDataset object for a certain dataset.
+                PyDataset (obj:`PyDataset`): PyDataset object for a certain dataset.
             """
         if hub == Hubs.huggingface:
             dataset = hf_load_dataset(
@@ -92,9 +92,9 @@ class MsDataset:
                 split=split,
                 data_dir=data_dir,
                 data_files=data_files)
-            return MsDataset.from_hf_dataset(dataset, target=target)
+            return PyDataset.from_hf_dataset(dataset, target=target)
         else:
-            return MsDataset._load_ms_dataset(
+            return PyDataset._load_ms_dataset(
                 dataset_name,
                 target=target,
                 subset_name=subset_name,
@@ -114,7 +114,7 @@ class MsDataset:
         data_files: Optional[Union[str, Sequence[str],
                                    Mapping[str, Union[str,
                                                       Sequence[str]]]]] = None
-    ) -> Union[dict, 'MsDataset']:
+    ) -> Union[dict, 'PyDataset']:
         if isinstance(dataset_name, str):
             use_hf = False
             if dataset_name in _PACKAGED_DATASETS_MODULES or os.path.isdir(dataset_name) or \
@@ -153,7 +153,7 @@ class MsDataset:
         else:
             raise TypeError('path must be a str or a list, but got'
                             f' {type(dataset_name)}')
-        return MsDataset.from_hf_dataset(dataset, target=target)
+        return PyDataset.from_hf_dataset(dataset, target=target)
 
     def to_torch_dataset_with_processors(
         self,
diff --git a/modelscope/datasets/utils/__init__.py b/modelscope/pydatasets/utils/__init__.py
similarity index 100%
rename from modelscope/datasets/utils/__init__.py
rename to modelscope/pydatasets/utils/__init__.py
diff --git a/modelscope/datasets/utils/ms_api.py b/modelscope/pydatasets/utils/ms_api.py
similarity index 95%
rename from modelscope/datasets/utils/ms_api.py
rename to modelscope/pydatasets/utils/ms_api.py
index a478766f..04052cc4 100644
--- a/modelscope/datasets/utils/ms_api.py
+++ b/modelscope/pydatasets/utils/ms_api.py
@@ -4,8 +4,8 @@ from typing import Optional
 
 import requests
 
-from modelscope.datasets.config import (DOWNLOADED_DATASETS_PATH,
-                                        MS_HUB_ENDPOINT)
+from modelscope.pydatasets.config import (DOWNLOADED_DATASETS_PATH,
+                                          MS_HUB_ENDPOINT)
 from modelscope.utils.logger import get_logger
 
 logger = get_logger()
diff --git a/tests/pipelines/test_action_recognition.py b/tests/pipelines/test_action_recognition.py
index 7bb3bb90..b524ca18 100644
--- a/tests/pipelines/test_action_recognition.py
+++ b/tests/pipelines/test_action_recognition.py
@@ -7,9 +7,9 @@ import unittest
 
 import cv2
 
-from modelscope.datasets import MsDataset
 from modelscope.fileio import File
 from modelscope.pipelines import pipeline
+from modelscope.pydatasets import PyDataset
 from modelscope.utils.constant import ModelFile, Tasks
 from modelscope.utils.test_utils import test_level
 
diff --git a/tests/pipelines/test_image_matting.py b/tests/pipelines/test_image_matting.py
index 13576d44..1b547e14 100644
--- a/tests/pipelines/test_image_matting.py
+++ b/tests/pipelines/test_image_matting.py
@@ -6,9 +6,9 @@ import unittest
 
 import cv2
 
-from modelscope.datasets import MsDataset
 from modelscope.fileio import File
 from modelscope.pipelines import pipeline
+from modelscope.pydatasets import PyDataset
 from modelscope.utils.constant import ModelFile, Tasks
 from modelscope.utils.test_utils import test_level
 
@@ -37,7 +37,7 @@ class ImageMattingTest(unittest.TestCase):
         # alternatively:
         # input_location = '/dir/to/images'
 
-        dataset = MsDataset.load(input_location, target='image')
+        dataset = PyDataset.load(input_location, target='image')
         img_matting = pipeline(Tasks.image_matting, model=self.model_id)
         # note that for dataset output, the inference-output is a Generator that can be iterated.
         result = img_matting(dataset)
@@ -62,7 +62,7 @@ class ImageMattingTest(unittest.TestCase):
 
     @unittest.skipUnless(test_level() >= 2, 'skip test in current test level')
     def test_run_with_modelscope_dataset(self):
-        dataset = MsDataset.load('beans', split='train', target='image')
+        dataset = PyDataset.load('beans', split='train', target='image')
         img_matting = pipeline(Tasks.image_matting, model=self.model_id)
         result = img_matting(dataset)
         for i in range(10):
diff --git a/tests/pipelines/test_text_classification.py b/tests/pipelines/test_text_classification.py
index bf6de28e..9e5f15b9 100644
--- a/tests/pipelines/test_text_classification.py
+++ b/tests/pipelines/test_text_classification.py
@@ -2,10 +2,10 @@
 import shutil
 import unittest
 
-from modelscope.datasets import MsDataset
 from modelscope.models import Model
 from modelscope.pipelines import SequenceClassificationPipeline, pipeline
 from modelscope.preprocessors import SequenceClassificationPreprocessor
+from modelscope.pydatasets import PyDataset
 from modelscope.utils.constant import Hubs, Tasks
 from modelscope.utils.test_utils import test_level
 
@@ -28,7 +28,7 @@ class SequenceClassificationTest(unittest.TestCase):
 
         print(data)
 
-    def printDataset(self, dataset: MsDataset):
+    def printDataset(self, dataset: PyDataset):
         for i, r in enumerate(dataset):
             if i > 10:
                 break
@@ -50,7 +50,7 @@ class SequenceClassificationTest(unittest.TestCase):
         text_classification = pipeline(
             task=Tasks.text_classification, model=self.model_id)
         result = text_classification(
-            MsDataset.load(
+            PyDataset.load(
                 'glue',
                 subset_name='sst2',
                 split='train',
@@ -62,7 +62,7 @@ class SequenceClassificationTest(unittest.TestCase):
     def test_run_with_default_model(self):
         text_classification = pipeline(task=Tasks.text_classification)
         result = text_classification(
-            MsDataset.load(
+            PyDataset.load(
                 'glue',
                 subset_name='sst2',
                 split='train',
@@ -78,7 +78,7 @@ class SequenceClassificationTest(unittest.TestCase):
         text_classification = pipeline(
             Tasks.text_classification, model=model, preprocessor=preprocessor)
         # loaded from huggingface dataset
-        dataset = MsDataset.load(
+        dataset = PyDataset.load(
             'glue',
             subset_name='sst2',
             split='train',
@@ -91,7 +91,7 @@ class SequenceClassificationTest(unittest.TestCase):
     def test_run_with_modelscope_dataset(self):
         text_classification = pipeline(task=Tasks.text_classification)
         # loaded from modelscope dataset
-        dataset = MsDataset.load(
+        dataset = PyDataset.load(
             'squad', split='train', target='context', hub=Hubs.modelscope)
         result = text_classification(dataset)
         self.printDataset(result)
diff --git a/tests/datasets/__init__.py b/tests/pydatasets/__init__.py
similarity index 100%
rename from tests/datasets/__init__.py
rename to tests/pydatasets/__init__.py
diff --git a/tests/datasets/test_ms_dataset.py b/tests/pydatasets/test_py_dataset.py
similarity index 88%
rename from tests/datasets/test_ms_dataset.py
rename to tests/pydatasets/test_py_dataset.py
index d08258ac..e84f240a 100644
--- a/tests/datasets/test_ms_dataset.py
+++ b/tests/pydatasets/test_py_dataset.py
@@ -2,10 +2,11 @@ import unittest
 
 import datasets as hfdata
 
-from modelscope.datasets import MsDataset
 from modelscope.models import Model
 from modelscope.preprocessors import SequenceClassificationPreprocessor
 from modelscope.preprocessors.base import Preprocessor
+from modelscope.pydatasets import PyDataset
+from modelscope.utils.constant import Hubs
 from modelscope.utils.test_utils import require_tf, require_torch, test_level
 
 
@@ -30,15 +31,15 @@ class ImgPreprocessor(Preprocessor):
         }
 
 
-class MsDatasetTest(unittest.TestCase):
+class PyDatasetTest(unittest.TestCase):
 
     @unittest.skipUnless(test_level() >= 2, 'skip test in current test level')
     def test_ds_basic(self):
-        ms_ds_full = MsDataset.load('squad')
+        ms_ds_full = PyDataset.load('squad')
         ms_ds_full_hf = hfdata.load_dataset('squad')
-        ms_ds_train = MsDataset.load('squad', split='train')
+        ms_ds_train = PyDataset.load('squad', split='train')
         ms_ds_train_hf = hfdata.load_dataset('squad', split='train')
-        ms_image_train = MsDataset.from_hf_dataset(
+        ms_image_train = PyDataset.from_hf_dataset(
             hfdata.load_dataset('beans', split='train'))
         self.assertEqual(ms_ds_full['train'][0], ms_ds_full_hf['train'][0])
         self.assertEqual(ms_ds_full['validation'][0],
@@ -57,7 +58,7 @@ class MsDatasetTest(unittest.TestCase):
             nlp_model.model_dir,
             first_sequence='context',
             second_sequence=None)
-        ms_ds_train = MsDataset.load('squad', split='train')
+        ms_ds_train = PyDataset.load('squad', split='train')
         pt_dataset = ms_ds_train.to_torch_dataset(preprocessors=preprocessor)
         import torch
         dataloader = torch.utils.data.DataLoader(pt_dataset, batch_size=5)
@@ -74,7 +75,7 @@ class MsDatasetTest(unittest.TestCase):
             nlp_model.model_dir,
             first_sequence='context',
             second_sequence=None)
-        ms_ds_train = MsDataset.load('squad', split='train')
+        ms_ds_train = PyDataset.load('squad', split='train')
         tf_dataset = ms_ds_train.to_tf_dataset(
             batch_size=5,
             shuffle=True,
@@ -85,7 +86,7 @@ class MsDatasetTest(unittest.TestCase):
     @unittest.skipUnless(test_level() >= 2, 'skip test in current test level')
     @require_torch
     def test_to_torch_dataset_img(self):
-        ms_image_train = MsDataset.from_hf_dataset(
+        ms_image_train = PyDataset.from_hf_dataset(
             hfdata.load_dataset('beans', split='train'))
         pt_dataset = ms_image_train.to_torch_dataset(
             preprocessors=ImgPreprocessor(
@@ -99,7 +100,7 @@ class MsDatasetTest(unittest.TestCase):
     def test_to_tf_dataset_img(self):
         import tensorflow as tf
         tf.compat.v1.enable_eager_execution()
-        ms_image_train = MsDataset.load('beans', split='train')
+        ms_image_train = PyDataset.load('beans', split='train')
         tf_dataset = ms_image_train.to_tf_dataset(
             batch_size=5,
             shuffle=True,