diff --git a/api/repositories/collaborators.py b/api/repositories/collaborators.py
new file mode 100644
index 0000000..0e864f9
--- /dev/null
+++ b/api/repositories/collaborators.py
@@ -0,0 +1,36 @@
+from core.rest_client import RestClient
+
+class Collaborators(RestClient):
+
+    def list_collaborators(self,owner,repo,**kwargs):
+        """
+        https://developer.github.com/v3/repos/collaborators/#list-collaborators
+        """
+        headlers = {'Accept':'application/vnd.github.hellcat-preview+json'}
+        return self.get('/repos/{}/{}/collaborators'.format(owner, repo), headlers=headlers, **kwargs)
+
+    def check_if_a_user_is_a_collaborator(self,owner,repo,username,**kwargs):
+        """
+        https://developer.github.com/v3/repos/collaborators/#check-if-a-user-is-a-collaborator
+        """
+        headlers = {'Accept': 'application/vnd.github.hellcat-preview+json'}
+        return self.get('/repos/{}/{}/collaborators/{}'.format(owner,repo,username), headlers=headlers, **kwargs)
+
+    def review_a_user_permission_level(self,owner,repo,username,**kwargs):
+        """
+        https://developer.github.com/v3/repos/collaborators/#review-a-users-permission-level
+        :param kwargs:admin，write，read，none。
+        """
+        return self.get('/repos/{}/{}/collaborators/{}/permission'.format(owner,repo,username), **kwargs)
+
+    def add_user_as_a_collaborator(self,owner,repo,username,**kwargs):
+        """
+        https://developer.github.com/v3/repos/collaborators/#add-user-as-a-collaborator
+        """
+        return self.put('/repos/:owner/{}/collaborators/{}'.format(owner,repo,username), **kwargs)
+
+    def remove_user_as_a_collaborator(self,owner,repo,username,**kwargs):
+        """
+        https://developer.github.com/v3/repos/collaborators/#remove-user-as-a-collaborator
+        """
+        return self.delete('/repos/{}/{}/collaborators/{}'.format(owner,repo,username), **kwargs)
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