diff --git a/ability/EtsCommonEvent/README_zh.md b/ability/EtsCommonEvent/README_zh.md
new file mode 100644
index 0000000000000000000000000000000000000000..3def85013a1fc27084637757096f779e6caaac0e
--- /dev/null
+++ b/ability/EtsCommonEvent/README_zh.md
@@ -0,0 +1,17 @@
+# Ets公共事件
+
+
+
+### 简介
+
+本示例展示了在eTS中如何使用CommonEvent的接口完成创建订阅者、订阅公共事件、发布公共事件、取消订阅的功能。
+
+### 使用说明
+
+1、页面中先点击**创建订阅者**、**订阅公共事件**，下方编辑框中显示执行结果；然后点击**发布公共事件**和**发布公共事件指定发布信息**，下方编辑框中展示公共事件发布成功后接收到的公共事件信息，点击**取消订阅**可以取消公共事件订阅。
+
+
+
+### 约束与限制
+
+本示例仅支持标准系统上运行。
diff --git a/ability/EtsCommonEvent/build.gradle b/ability/EtsCommonEvent/build.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..8469dbed391d35ea3560bcb82b1258e27bdeb09a
--- /dev/null
+++ b/ability/EtsCommonEvent/build.gradle
@@ -0,0 +1,34 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+apply plugin: 'com.huawei.ohos.app'
+
+// For instructions on signature configuration, see https://developer.harmonyos.com/cn/docs/documentation/doc-guides/ide_debug_device-0000001053822404#section1112183053510
+ohos {
+    compileSdkVersion 7
+    supportSystem "standard"
+}
+
+buildscript {
+    repositories {
+        maven {
+            url 'https://repo.huaweicloud.com/repository/maven/'
+        }
+        maven {
+            url 'https://developer.huawei.com/repo/'
+        }
+    }
+    dependencies {
+        classpath 'com.huawei.ohos:hap:3.0.3.4'
+        classpath 'com.huawei.ohos:decctest:1.2.6.0'
+    }
+}
+
+allprojects {
+    repositories {
+        maven {
+            url 'https://repo.huaweicloud.com/repository/maven/'
+        }
+        maven {
+            url 'https://developer.huawei.com/repo/'
+        }
+    }
+}
diff --git a/ability/EtsCommonEvent/entry/build.gradle b/ability/EtsCommonEvent/entry/build.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..895f5ab55babc59d9158eda9724930a93d1c9c72
--- /dev/null
+++ b/ability/EtsCommonEvent/entry/build.gradle
@@ -0,0 +1,21 @@
+apply plugin: 'com.huawei.ohos.hap'
+// For instructions on signature configuration, see https://developer.harmonyos.com/cn/docs/documentation/doc-guides/ide_debug_device-0000001053822404#section1112183053510
+ohos {
+    compileSdkVersion 7
+    defaultConfig {
+        compatibleSdkVersion 7
+    }
+    buildTypes {
+        release {
+            proguardOpt {
+                proguardEnabled false
+                rulesFiles 'proguard-rules.pro'
+            }
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar', '*.har'])
+    testImplementation 'junit:junit:4.13.1'
+}
diff --git a/ability/EtsCommonEvent/entry/src/main/config.json b/ability/EtsCommonEvent/entry/src/main/config.json
new file mode 100644
index 0000000000000000000000000000000000000000..a2fcefd2832ad44176c77ef367c28cb40ee09797
--- /dev/null
+++ b/ability/EtsCommonEvent/entry/src/main/config.json
@@ -0,0 +1,66 @@
+{
+  "app": {
+    "bundleName": "ohos.samples.etscommonevent",
+    "vendor": "samples",
+    "version": {
+      "code": 1000000,
+      "name": "1.0.0"
+    }
+  },
+  "deviceConfig": {},
+  "module": {
+    "package": "ohos.samples.etscommonevent",
+    "name": ".MyApplication",
+    "mainAbility": ".MainAbility",
+    "deviceType": [
+      "phone"
+    ],
+    "distro": {
+      "deliveryWithInstall": true,
+      "moduleName": "entry",
+      "moduleType": "entry",
+      "installationFree": false
+    },
+    "abilities": [
+      {
+        "skills": [
+          {
+            "entities": [
+              "entity.system.home"
+            ],
+            "actions": [
+              "action.system.home"
+            ]
+          }
+        ],
+        "orientation": "unspecified",
+        "visible": true,
+        "srcPath": "MainAbility",
+        "name": ".MainAbility",
+        "srcLanguage": "ets",
+        "icon": "$media:icon",
+        "description": "$string:description_mainability",
+        "formsEnabled": false,
+        "label": "$string:entry_MainAbility",
+        "type": "page",
+        "launchType": "standard"
+      }
+    ],
+    "js": [
+      {
+        "mode": {
+          "syntax": "ets",
+          "type": "pageAbility"
+        },
+        "pages": [
+          "pages/index"
+        ],
+        "name": ".MainAbility",
+        "window": {
+          "designWidth": 720,
+          "autoDesignWidth": false
+        }
+      }
+    ]
+  }
+}
\ No newline at end of file
diff --git a/ability/EtsCommonEvent/entry/src/main/ets/MainAbility/app.ets b/ability/EtsCommonEvent/entry/src/main/ets/MainAbility/app.ets
new file mode 100644
index 0000000000000000000000000000000000000000..cfb9635413551f8ad3434468b138550cbad174d6
--- /dev/null
+++ b/ability/EtsCommonEvent/entry/src/main/ets/MainAbility/app.ets
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export default {
+  onCreate() {
+    console.info('Application onCreate')
+  },
+  onDestroy() {
+    console.info('Application onDestroy')
+  },
+}
\ No newline at end of file
diff --git a/ability/EtsCommonEvent/entry/src/main/ets/MainAbility/common/publishEvent.ets b/ability/EtsCommonEvent/entry/src/main/ets/MainAbility/common/publishEvent.ets
new file mode 100644
index 0000000000000000000000000000000000000000..28d63f06c4f336f04c1aabf0970b00a961bf1ea1
--- /dev/null
+++ b/ability/EtsCommonEvent/entry/src/main/ets/MainAbility/common/publishEvent.ets
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import commonEvent from '@ohos.commonevent';
+
+@Component
+export struct PublishEventView {
+  private pushlishOptions: Resource[] = [$r('app.string.publish'), $r('app.string.publish_specify_commonEvent')]
+
+  publish() {
+    // Publish CommonEvent
+    commonEvent.publish("event", (err) => {
+      console.log('[CommonEvent]PublishCallBack err=' + err)
+    });
+  }
+
+  initialPublish() {
+    // CommonEvent related information
+    var options = {
+      code: 0, // Initial code for CommonEvent
+      data: "initial data", // Initial data for CommonEvent
+      isOrdered: true // Orderly CommonEvent
+    }
+    // Publish CommonEvent
+    commonEvent.publish("event", options, (err) => {
+      console.log('[CommonEvent]PublishCallBack' + err)
+    });
+  }
+
+  build(){
+    Column(){
+      ForEach(this.pushlishOptions, item => {
+        Button() {
+          Text(item)
+            .fontSize(19)
+            .fontWeight(FontWeight.Bold)
+            .padding({ left: 10, right: 10 })
+            .width('100%')
+            .textAlign(TextAlign.Center)
+        }.type(ButtonType.Capsule)
+        .backgroundColor('#0D9FFB')
+        .margin({ top: 15 })
+        .onClick(() => {
+          var index = this.pushlishOptions.indexOf(item)
+          switch (index) {
+            case 0:
+              console.log('[CommonEvent]Publish1 onClick')
+              this.publish()
+              break
+            case 1:
+              console.log('[CommonEvent]Unsubscribe onClick')
+              this.initialPublish()
+              break
+            default:
+              break
+          }
+        })
+      }, item => JSON.stringify(item))
+    }
+  }
+}
\ No newline at end of file
diff --git a/ability/EtsCommonEvent/entry/src/main/ets/MainAbility/common/subsrcibeEvent.ets b/ability/EtsCommonEvent/entry/src/main/ets/MainAbility/common/subsrcibeEvent.ets
new file mode 100644
index 0000000000000000000000000000000000000000..d6e737b87ea12ea3309456ea19402aaf97e3a2ea
--- /dev/null
+++ b/ability/EtsCommonEvent/entry/src/main/ets/MainAbility/common/subsrcibeEvent.ets
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import commonEvent from '@ohos.commonevent';
+import prompt from '@system.prompt';
+
+@Component
+export struct SubsrcibeEventView {
+  private subsrcibeOptions: Resource[] = [$r('app.string.create_subscriber'), $r('app.string.subscribe'), $r('app.string.unsubscribe')]
+  private subscriber = null
+  @Link result:string
+
+  createSubscriber() {
+    // Subscriber information
+    var subscribeInfo = {
+      events: ["event"],
+      priority: 100
+    };
+    // Create subscriber callback
+    commonEvent.createSubscriber(subscribeInfo, (err, data) => {
+      console.log('[CommonEvent]CreateSubscriberCallBack')
+      this.subscriber = data;
+      this.result = 'createSubscriber succeed'
+    })
+  }
+
+  subscribe() {
+    // Subscribe
+    if (this.subscriber != null) {
+      commonEvent.subscribe(this.subscriber, (err, data) => {
+        console.log('[CommonEvent]SubscribeCallBack' + JSON.stringify(data))
+        this.result = 'receive ,event = ' + data.event + ',data = ' + data.data
+      });
+      this.result = 'subscribe succeed'
+    } else {
+      prompt.showToast({ message: 'need createSubscriber' })
+    }
+  }
+
+  unSubscribe() {
+    // Unsubscribe CommonEvent
+    if (this.subscriber != null) {
+      commonEvent.unsubscribe(this.subscriber, () => {
+        console.log('[CommonEvent]UnsubscribeCallBack')
+        this.subscriber = null
+        this.result = 'unsubscribe succeed'
+      })
+    }
+  }
+
+  build() {
+    Column() {
+      ForEach(this.subsrcibeOptions, item => {
+        Button() {
+          Text(item)
+            .fontSize(19)
+            .fontWeight(FontWeight.Bold)
+            .padding({ left: 10, right: 10 })
+            .width('100%')
+            .textAlign(TextAlign.Center)
+        }.type(ButtonType.Capsule)
+        .backgroundColor('#0D9FFB')
+        .margin({ top: 15 })
+        .onClick(() => {
+          var index = this.subsrcibeOptions.indexOf(item)
+          switch (index) {
+            case 0:
+              console.log('[CommonEvent]CreateSubscriber onClick')
+              this.createSubscriber()
+              break
+            case 1:
+              console.log('[CommonEvent]Subscribe onClick')
+              this.subscribe()
+              break
+            case 2:
+              console.log('[CommonEvent]Publish onClick')
+              this.unSubscribe()
+              break
+            default:
+              break
+          }
+        })
+      }, item => JSON.stringify(item))
+    }
+  }
+}
\ No newline at end of file
diff --git a/ability/EtsCommonEvent/entry/src/main/ets/MainAbility/pages/index.ets b/ability/EtsCommonEvent/entry/src/main/ets/MainAbility/pages/index.ets
new file mode 100644
index 0000000000000000000000000000000000000000..0fbb61cfdf789272191dcf2d845657a25b307467
--- /dev/null
+++ b/ability/EtsCommonEvent/entry/src/main/ets/MainAbility/pages/index.ets
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import {PublishEventView} from '../common/publishEvent'
+import {SubsrcibeEventView} from '../common/subsrcibeEvent'
+
+@Entry
+@Component
+struct Index {
+  @State result: string = ''
+
+  build() {
+    Column() {
+      Text($r("app.string.entry_MainAbility"))
+        .width('100%')
+        .height(50)
+        .backgroundColor('#0D9FFB')
+        .fontColor(Color.White)
+        .fontSize(20)
+        .padding({ left: 15 })
+      Scroll() {
+        Column() {
+          SubsrcibeEventView({ result: $result })
+
+          Line()
+            .width('100%').height(2)
+            .backgroundColor('#D5D5D5')
+            .margin({ top: 15})
+
+          PublishEventView()
+
+          Text(this.result)
+            .width('100%')
+            .height(150)
+            .backgroundColor('#DFDFDF')
+            .fontSize(20)
+            .margin({ top: 20 })
+            .textAlign(TextAlign.Start)
+            .padding(10)
+        }.constraintSize({ minHeight: '100%' })
+      }
+      .width('100%').height('100%')
+      .padding({ left: 15, right: 15, bottom: 15 })
+    }
+  }
+}
\ No newline at end of file
diff --git a/ability/EtsCommonEvent/entry/src/main/resources/base/element/string.json b/ability/EtsCommonEvent/entry/src/main/resources/base/element/string.json
new file mode 100644
index 0000000000000000000000000000000000000000..f1d269756199ed7d4d831b46461763ba2e6711ca
--- /dev/null
+++ b/ability/EtsCommonEvent/entry/src/main/resources/base/element/string.json
@@ -0,0 +1,32 @@
+{
+  "string": [
+    {
+      "name": "entry_MainAbility",
+      "value": "EtsCommonEvent"
+    },
+    {
+      "name": "description_mainability",
+      "value": "EtsCommonEvent Ability"
+    },
+    {
+      "name": "create_subscriber",
+      "value": "Create subscriber"
+    },
+    {
+      "name": "subscribe",
+      "value": "Subscribe"
+    },
+    {
+      "name": "publish",
+      "value": "Publish commonEvent"
+    },
+    {
+      "name": "publish_specify_commonEvent",
+      "value": "Publish specify commonEvent"
+    },
+    {
+      "name": "unsubscribe",
+      "value": "Unsubscribe"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/ability/EtsCommonEvent/entry/src/main/resources/base/media/icon.png b/ability/EtsCommonEvent/entry/src/main/resources/base/media/icon.png
new file mode 100644
index 0000000000000000000000000000000000000000..ce307a8827bd75456441ceb57d530e4c8d45d36c
Binary files /dev/null and b/ability/EtsCommonEvent/entry/src/main/resources/base/media/icon.png differ
diff --git a/ability/EtsCommonEvent/entry/src/main/resources/en/element/string.json b/ability/EtsCommonEvent/entry/src/main/resources/en/element/string.json
new file mode 100644
index 0000000000000000000000000000000000000000..f1d269756199ed7d4d831b46461763ba2e6711ca
--- /dev/null
+++ b/ability/EtsCommonEvent/entry/src/main/resources/en/element/string.json
@@ -0,0 +1,32 @@
+{
+  "string": [
+    {
+      "name": "entry_MainAbility",
+      "value": "EtsCommonEvent"
+    },
+    {
+      "name": "description_mainability",
+      "value": "EtsCommonEvent Ability"
+    },
+    {
+      "name": "create_subscriber",
+      "value": "Create subscriber"
+    },
+    {
+      "name": "subscribe",
+      "value": "Subscribe"
+    },
+    {
+      "name": "publish",
+      "value": "Publish commonEvent"
+    },
+    {
+      "name": "publish_specify_commonEvent",
+      "value": "Publish specify commonEvent"
+    },
+    {
+      "name": "unsubscribe",
+      "value": "Unsubscribe"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/ability/EtsCommonEvent/entry/src/main/resources/zh/element/string.json b/ability/EtsCommonEvent/entry/src/main/resources/zh/element/string.json
new file mode 100644
index 0000000000000000000000000000000000000000..d6cb3696bfc21824b7f93745a995bd80f231b483
--- /dev/null
+++ b/ability/EtsCommonEvent/entry/src/main/resources/zh/element/string.json
@@ -0,0 +1,32 @@
+{
+  "string": [
+    {
+      "name": "entry_MainAbility",
+      "value": "Ets公共事件"
+    },
+    {
+      "name": "description_mainability",
+      "value": "EtsCommonEvent Ability"
+    },
+    {
+      "name": "create_subscriber",
+      "value": "创建订阅者"
+    },
+    {
+      "name": "subscribe",
+      "value": "订阅公共事件"
+    },
+    {
+      "name": "publish",
+      "value": "发布公共事件"
+    },
+    {
+      "name": "publish_specify_commonEvent",
+      "value": "发布公共事件指定发布信息"
+    },
+    {
+      "name": "unsubscribe",
+      "value": "取消订阅"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/ability/EtsCommonEvent/screenshots/devices/main.PNG b/ability/EtsCommonEvent/screenshots/devices/main.PNG
new file mode 100644
index 0000000000000000000000000000000000000000..f82693414bf1de889a7db9690da5c55bc436b467
Binary files /dev/null and b/ability/EtsCommonEvent/screenshots/devices/main.PNG differ
diff --git a/ability/EtsCommonEvent/settings.gradle b/ability/EtsCommonEvent/settings.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..4773db73233a570c2d0c01a22e75321acfbf7a07
--- /dev/null
+++ b/ability/EtsCommonEvent/settings.gradle
@@ -0,0 +1 @@
+include ':entry'