diff --git a/sig/sig-assist_tools/OWNERS b/sig/sig-assist_tools/OWNERS
new file mode 100644
index 0000000000000000000000000000000000000000..4d1e3878d7466ec4473f4a0a3d0ca0e25937ead2
--- /dev/null
+++ b/sig/sig-assist_tools/OWNERS
@@ -0,0 +1,14 @@
+{
+   "Leader": [
+      {
+         "gitee_id": "zhaojunxia2020",
+         "gitee_email": "zhaojunxia@kaihongdigi.com"
+      }
+   ],
+   "Committers": [
+      {
+         "gitee_id": "bayanxing",
+         "gitee_email": "bayanxing@kaihongdigi.com"
+      }
+   ]
+}
\ No newline at end of file
diff --git a/sig/sig-assist_tools/sig_assist_tools.md b/sig/sig-assist_tools/sig_assist_tools.md
new file mode 100644
index 0000000000000000000000000000000000000000..0933022c4de071a1ea01676098f861c56dc658e8
--- /dev/null
+++ b/sig/sig-assist_tools/sig_assist_tools.md
@@ -0,0 +1,44 @@
+# SIG_AssistTools
+English | [简体中文](./sig_assist_tools_cn.md)
+
+Note: The content of this SIG follows the convention described in OpenHarmony's PMC Management Charter [README](/zh/pmc.md).
+
+## SIG group work objectives and scope
+
+### work goals
+Based on the openharmony standard system, some assist tools to improve development efficiency are launched.
+
+### work scope
+1. Provides power on animation generation tools
+2. Provide NAPI framework code generation tools for developers and IDE platforms of mainstream operating systems
+3. Provide usage examples
+4. Provide continuous improvement and optimization
+
+### The repository 
+- repository :
+
+    - assist_tools: https://gitee.com/openharmony-sig/assist_tools
+
+## SIG Members
+
+### Leader
+- [@zhaojunxia2020](https://gitee.com/zhaojunxia2020)
+
+### Committers
+- [@bayanxing](https://gitee.com/bayanxing)
+
+### Meetings
+ - Meeting time：time：Biweek Wednesday 19:00, UTC+8
+ - Meeting application: [SIG-AssitTools application](https://shimo.im/sheets/ppCXWxYr68k3JPk9/MODOC)
+ - Meeting link: Welink Meeting or Others
+ - Meeting notification: [Subscribe](https://lists.openatom.io/postorius/lists/dev.openharmony.io/) mailing list dev@openharmony.io for the meeting link
+ - Meeting-Minutes: [Archive link address](https://gitee.com/openharmony-sig/sig-content/tree/master/assist_tools/meetings)
+
+### Contact (optional)
+
+- Mailing list：dev@openharmony.io
+- Zulip group：https://zulip.openharmony.cn subscript to assist_tools stream
+- Wechat group：xxx
+
+
+
diff --git a/sig/sig-assist_tools/sig_assist_tools_cn.md b/sig/sig-assist_tools/sig_assist_tools_cn.md
new file mode 100644
index 0000000000000000000000000000000000000000..291e552056778761c22ee5c8c80cc6b787464c67
--- /dev/null
+++ b/sig/sig-assist_tools/sig_assist_tools_cn.md
@@ -0,0 +1,43 @@
+# SIG_AssistTools
+简体中文 | [English](./sig_assist_tools.md)
+
+说明：本SIG的内容遵循OpenHarmony的PMC管理章程 [README](/zh/pmc.md)中描述的约定。
+
+## SIG组工作目标和范围
+
+### 工作目标
+基于OpenHarmony标准系统,推出一些提升开发效率的辅助工具。
+
+### 工作范围
+1. 提供开机动画生成工具
+2. 针对开发人员、主流操作系统的IDE平台，提供NAPI框架代码生成工具
+3. 提供使用范例
+4. 提供持续的改进优化
+
+## 代码仓
+- 代码仓地址：
+
+    - assist_tools: https://gitee.com/openharmony-sig/assist_tools
+
+## SIG组成员
+
+### Leader
+- [@zhaojunxia2020](https://gitee.com/zhaojunxia2020)
+
+### Committers列表
+- [@bayanxing](https://gitee.com/bayanxing)
+
+
+### 会议
+ - 会议时间：双周例会，周三下午16:00, UTC+8
+
+ - 会议申报：[OH 辅助工具 Meeting Proposal](https://shimo.im/sheets/ppCXWxYr68k3JPk9/MODOC)
+ - 会议方式:   腾讯会议
+ - 会议通知:   请[订阅](https://lists.openatom.io/postorius/lists/dev.openharmony.io/)邮件列表dev@openharmony.io获取会议链接
+ - 会议纪要:   [归档链接地址](https://gitee.com/openharmony-sig/sig-content/tree/master/assist_tools/meetings)
+
+### 联系方式(可选)
+
+- 邮件列表：[dev@openharmony.io]
+- Zulip群组：https://zulip.openharmony.cn 订阅 sig_assist_tools 频道
+
diff --git a/sig/sigs.json b/sig/sigs.json
index 6d0713c34e55f27c5aacc8f04717b78dac57e1c9..9a8368ba5ab38217c4a548cf3107c1ef8c41566a 100755
--- a/sig/sigs.json
+++ b/sig/sigs.json
@@ -664,6 +664,11 @@
          "projects":[],
          "project-path": [
          ]
+      },
+      {
+         "sig-name":"sig-assist_tools",
+         "projects":"https://gitee.com/openharmony-sig/assist_tools",
+         "project-path": "NONE"
       }
    ]
 }