diff --git a/.gitignore b/.gitignore
index 722a50e523..4eba3d0d8e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -132,3 +132,4 @@ work_dirs/
 # avoid soft links created by MIM
 mmaction/configs/*
 mmaction/tools/*
+mmaction/.mim
diff --git a/MANIFEST.in b/MANIFEST.in
index 3dbdf42ba6..258c4e016b 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,3 @@
-include mmaction/model-index.yml
-recursive-include mmaction/configs *.py *.yml
-recursive-include mmaction/tools *.sh *.py
+include mmaction/.mim/model-index.yml
+recursive-include mmaction/.mim/configs *.py *.yml
+recursive-include mmaction/.mim/tools *.sh *.py
diff --git a/README.md b/README.md
index 9443603366..31fa544e4e 100644
--- a/README.md
+++ b/README.md
@@ -257,6 +257,7 @@ We wish that the toolbox and benchmark could serve the growing research communit
 ## Projects in OpenMMLab
 
 - [MMCV](https://github.com/open-mmlab/mmcv): OpenMMLab foundational library for computer vision.
+- [MIM](https://github.com/open-mmlab/mim): MIM Installs OpenMMLab Packages.
 - [MMClassification](https://github.com/open-mmlab/mmclassification): OpenMMLab image classification toolbox and benchmark.
 - [MMDetection](https://github.com/open-mmlab/mmdetection): OpenMMLab detection toolbox and benchmark.
 - [MMDetection3D](https://github.com/open-mmlab/mmdetection3d): OpenMMLab's next-generation platform for general 3D object detection.
diff --git a/README_zh-CN.md b/README_zh-CN.md
index ac7a5c1107..d39bbac68a 100644
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -227,6 +227,7 @@ MMAction2 是一款由不同学校和公司共同贡献的开源项目。我们
 ## OpenMMLab 的其他项目
 
 - [MMCV](https://github.com/open-mmlab/mmcv): OpenMMLab 计算机视觉基础库
+- [MIM](https://github.com/open-mmlab/mim): MIM 是 OpenMMlab 项目、算法、模型的统一入口
 - [MMClassification](https://github.com/open-mmlab/mmclassification): OpenMMLab 图像分类工具箱与测试基准
 - [MMDetection](https://github.com/open-mmlab/mmdetection): OpenMMLab 检测工具箱与测试基准
 - [MMDetection3D](https://github.com/open-mmlab/mmdetection3d): OpenMMLab 新一代通用3D目标检测平台
diff --git a/setup.py b/setup.py
index 6477cb0454..f23072f05f 100644
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,8 @@
+import os
+import os.path as osp
+import shutil
+import sys
+import warnings
 from setuptools import find_packages, setup
 
 
@@ -94,7 +99,56 @@ def gen_packages_items():
     return packages
 
 
+def add_mim_extention():
+    """Add extra files that are required to support MIM into the package.
+
+    These files will be added by creating a symlink to the originals if the
+    package is installed in `editable` mode (e.g. pip install -e .), or by
+    copying from the originals otherwise.
+    """
+
+    # parse installment mode
+    if 'develop' in sys.argv:
+        # installed by `pip install -e .`
+        mode = 'symlink'
+    elif 'sdist' in sys.argv or 'bdist_wheel' in sys.argv:
+        # installed by `pip install .`
+        # or create source distribution by `python setup.py sdist`
+        mode = 'copy'
+    else:
+        return
+
+    filenames = ['tools', 'configs', 'model-index.yml']
+    repo_path = osp.dirname(__file__)
+    mim_path = osp.join(repo_path, 'mmaction', '.mim')
+    os.makedirs(mim_path, exist_ok=True)
+
+    for filename in filenames:
+        if osp.exists(filename):
+            src_path = osp.join(repo_path, filename)
+            tar_path = osp.join(mim_path, filename)
+
+            if osp.isfile(tar_path) or osp.islink(tar_path):
+                os.remove(tar_path)
+            elif osp.isdir(tar_path):
+                shutil.rmtree(tar_path)
+
+            if mode == 'symlink':
+                src_relpath = osp.relpath(src_path, osp.dirname(tar_path))
+                os.symlink(src_relpath, tar_path)
+            elif mode == 'copy':
+                if osp.isfile(src_path):
+                    shutil.copyfile(src_path, tar_path)
+                elif osp.isdir(src_path):
+                    shutil.copytree(src_path, tar_path)
+                else:
+                    warnings.warn(f'Cannot copy file {src_path}.')
+            else:
+                raise ValueError(f'Invalid mode {mode}')
+
+
 if __name__ == '__main__':
+    add_mim_extention()
     setup(
         name='mmaction2',
         version=get_version(),