diff --git a/content/en/docs/project-administration/_index.md b/content/en/docs/project-administration/_index.md
index 9c26a2963..8371f6f61 100644
--- a/content/en/docs/project-administration/_index.md
+++ b/content/en/docs/project-administration/_index.md
@@ -9,3 +9,25 @@ weight: 4500
 icon: "/images/docs/docs.svg"
 
 ---
+
+A KubeSphere project is a Kubernetes namespace. There are two types of projects, the single-cluster project and the multi-cluster project. The former one is the regular Kubernetes namespace, while the latter one is the federation namespace across multiple clusters. As a project administrator, there are a bunch of work to do, such as setting project quotas, managing gateway, access control, etc.
+
+## [Project Quotas](../project-administration/project-quota/)
+
+Learn how to configure project quotas of resources such as workloads, CPU, memory.
+
+## [Project Gateway](../project-administration/project-gateway/)
+
+Understand the concept of project gateway and how to manage it.
+
+## [Project Network Isolation](../project-administration/project-network-isolation/)
+
+Understand the concept of network isolation and how to configure policies for a project.
+
+## [Projects and Multi-cluster Projects](../project-administration/project-and-multicluster-project/)
+
+Learn how to manage different types of projects.
+
+## [Role and Member Management](../project-administration/role-and-member-management/)
+
+Learn how to manage access control for a project.