diff --git a/data/EtsFileIo/README_zh.md b/data/EtsFileIo/README_zh.md
new file mode 100644
index 0000000000000000000000000000000000000000..0099ed8851ba213e9895c79e36b5e94253da097f
--- /dev/null
+++ b/data/EtsFileIo/README_zh.md
@@ -0,0 +1,21 @@
+# 文档管理
+
+### 简介
+
+本示例展示了文档管理的部分功能，例如：创建文件、修改文件名、文件写入、文件读取、删除文件。
+
+### 使用说明
+
+1.点击"Create fileio"按钮，创建文件，创建成功，Toast显示文件的绝对路径；
+
+2.点击"Rename fileio"按钮，修改文件名，修改成功，Toast显示修改文件名后的绝对路径；
+
+3.点击"Write fileio"按钮，向文件中写入内容，写入成功，Toast显示文件写入的内容；
+
+4.点击"Read fileio"按钮，读取文件中的内容，读取成功，文本框中显示读取到的内容；
+
+5.点击"Delete fileio"按钮，删除文件，Toast显示文件删除成功。
+
+### 约束与限制
+
+本示例仅支持在标准系统上运行。
\ No newline at end of file
diff --git a/data/EtsFileIo/build.gradle b/data/EtsFileIo/build.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..c2c8bbaed13747b913f19cef893f515bc32d02a7
--- /dev/null
+++ b/data/EtsFileIo/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/data/EtsFileIo/entry/build.gradle b/data/EtsFileIo/entry/build.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..1587dd1948941f3eaaf092ae6cae7969cb6895ff
--- /dev/null
+++ b/data/EtsFileIo/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/data/EtsFileIo/entry/src/main/config.json b/data/EtsFileIo/entry/src/main/config.json
new file mode 100644
index 0000000000000000000000000000000000000000..8a0252f68d8166eacf4c1da179d4f0a25cb11a5e
--- /dev/null
+++ b/data/EtsFileIo/entry/src/main/config.json
@@ -0,0 +1,66 @@
+{
+  "app": {
+    "bundleName": "ohos.samples.etsfileio",
+    "vendor": "samples",
+    "version": {
+      "code": 1000000,
+      "name": "1.0.0"
+    }
+  },
+  "deviceConfig": {},
+  "module": {
+    "package": "ohos.samples.etsfileio",
+    "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:app_name",
+        "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/data/EtsFileIo/entry/src/main/ets/MainAbility/app.ets b/data/EtsFileIo/entry/src/main/ets/MainAbility/app.ets
new file mode 100644
index 0000000000000000000000000000000000000000..bf28e58b36cf11db491d3f00768ef2c9e41d05cf
--- /dev/null
+++ b/data/EtsFileIo/entry/src/main/ets/MainAbility/app.ets
@@ -0,0 +1,23 @@
+/*
+ * 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/data/EtsFileIo/entry/src/main/ets/MainAbility/pages/index.ets b/data/EtsFileIo/entry/src/main/ets/MainAbility/pages/index.ets
new file mode 100644
index 0000000000000000000000000000000000000000..c43ef41e68b1df21a49ccefa425e35ac0c6f28c4
--- /dev/null
+++ b/data/EtsFileIo/entry/src/main/ets/MainAbility/pages/index.ets
@@ -0,0 +1,188 @@
+/*
+ * 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 fileio from '@ohos.fileio'
+import featureAbility from '@ohos.ability.featureAbility'
+import prompt from '@system.prompt'
+import resourceManager from '@ohos.resourceManager'
+
+const writeContent = 'hello, fileio'
+var context = featureAbility.getContext()
+var path = ''
+var stream
+context.getOrCreateLocalDir().then((e) => {
+  path = e + '/files'
+  console.log('EtsFileIo =' + path)
+})
+
+@Entry
+@Component
+struct Index {
+  @State result: string = ''
+  @State newPath: string = ''
+  @State readText: string = ''
+  @State createStr: string = ''
+  @State renameStr: string = ''
+  @State writeStr: string = ''
+  @State readStr: string = ''
+  @State deleteStr: string = ''
+  @State fd: number = 0
+  private options: Resource [] = [$r('app.string.create_fileio'), $r('app.string.rename_fileio'),
+  $r('app.string.write_fileio'), $r('app.string.read_fileio'), $r('app.string.delete_fileio')]
+
+  aboutToAppear(){
+    resourceManager.getResourceManager().then(mgr =>{
+      mgr.getString(0x1000002,(error, value) =>{
+        console.log('ResourceManager:getString createStr error = ' + error + ',value = ' + value)
+        if(error != null){
+          return
+        }
+        this.createStr = value
+      })
+      mgr.getString(0x1000009,(error, value) =>{
+        console.log('ResourceManager:getString renameStr error = ' + error + ',value = ' + value)
+        if(error != null){
+          return
+        }
+        this.renameStr = value
+      })
+      mgr.getString(0x100000c,(error, value) =>{
+        console.log('ResourceManager:getString writeStr error = ' + error + ',value = ' + value)
+        if(error != null){
+          return
+        }
+        this.writeStr = value
+      })
+      mgr.getString(0x1000007,(error, value) =>{
+        console.log('ResourceManager:getString readStr error = ' + error + ',value = ' + value)
+        if(error != null){
+          return
+        }
+        this.readStr = value
+      })
+      mgr.getString(0x1000004,(error, value) =>{
+        console.log('ResourceManager:getString deleteStr error = ' + error + ',value = ' + value)
+        if(error != null){
+          return
+        }
+        this.deleteStr = value
+      })
+    })
+  }
+
+  createFileIo() {
+    this.result = path + '/test.txt'
+    this.fd = fileio.openSync(this.result, 0o2 | 0o100, 0o666)
+    prompt.showToast({ message: this.createStr + this.result, duration: 2000 })
+    console.log('EtsFileIo fd =' + this.fd)
+  }
+
+  renameFileIo() {
+    this.newPath = path + '/EtsFileIo.txt'
+    fileio.renameSync(this.result, this.newPath)
+    prompt.showToast({ message: this.renameStr + this.newPath, duration: 2000 })
+  }
+
+  writeFileIo() {
+    stream = fileio.createStreamSync(this.newPath, "r+")
+    let writelength = stream.writeSync(writeContent, {
+      offset: 0,
+      length: writeContent.length,
+      position: 0,
+      encoding: 'utf-8'
+    })
+    prompt.showToast({ message: this.writeStr + writeContent, duration: 2000 })
+    console.log('EtsFileIo WriteLength = ' + writelength)
+  }
+
+  readFileIo() {
+    let fdio = fileio.openSync(this.newPath, 0o2)
+    console.log('EtsFileIo fdio = ' + fdio)
+    let buf = new ArrayBuffer(4096)
+    let length = stream.readSync(buf, { offset: 0, length: writeContent.length, position: 0 })
+    this.readText = String.fromCharCode.apply(null, new Uint8Array(buf))
+    prompt.showToast({ message: this.readStr, duration: 2000 })
+    console.log('EtsFileIo buf = ' + this.readText)
+    console.log('EtsFileIo length = ' + length)
+  }
+
+  deleteFileIo() {
+    fileio.unlinkSync(this.newPath)
+    prompt.showToast({ message: this.deleteStr, duration: 2000 })
+  }
+
+  build() {
+    Column() {
+      Text($r("app.string.title"))
+        .width('100%')
+        .height(50)
+        .backgroundColor('#0D9FFB')
+        .fontColor(Color.White)
+        .fontSize(20)
+        .padding({ left: 15 })
+      Scroll() {
+        Column() {
+          ForEach(this.options, 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.options.indexOf(item)
+              switch (index) {
+                case 0:
+                  this.createFileIo()
+                  break
+                case 1:
+                  this.renameFileIo()
+                  break
+                case 2:
+                  this.writeFileIo()
+                  break
+                case 3:
+                  this.readFileIo()
+                  break
+                case 4:
+                  this.deleteFileIo()
+                  break
+                default:
+                  prompt.showToast({ message: 'error', duration: 2000 })
+                  break
+              }
+            })
+          }, item => JSON.stringify(item))
+
+          Text(this.readText)
+            .width('100%')
+            .height(200)
+            .backgroundColor('#DFDFDF')
+            .fontSize(20)
+            .margin({ top: 20 })
+            .textAlign(TextAlign.Start)
+            .padding(10)
+        }
+        .constraintSize({ minHeight: '100%' })
+      }
+      .width('100%').height('100%')
+      .padding(15)
+    }
+  }
+}
\ No newline at end of file
diff --git a/data/EtsFileIo/entry/src/main/resources/base/element/string.json b/data/EtsFileIo/entry/src/main/resources/base/element/string.json
new file mode 100644
index 0000000000000000000000000000000000000000..8831d0490dc4349c59aab380a893a9516370ff60
--- /dev/null
+++ b/data/EtsFileIo/entry/src/main/resources/base/element/string.json
@@ -0,0 +1,56 @@
+{
+  "string": [
+    {
+      "name": "app_name",
+      "value": "eTSFileIO"
+    },
+    {
+      "name": "description_mainability",
+      "value": "ETS_Empty Ability"
+    },
+    {
+      "name": "title",
+      "value": "eTSFileIO"
+    },
+    {
+      "name": "create_fileio",
+      "value": "Create fileio"
+    },
+    {
+      "name": "rename_fileio",
+      "value": "Rename fileio"
+    },
+    {
+      "name": "write_fileio",
+      "value": "Write fileio"
+    },
+    {
+      "name": "delete_fileio",
+      "value": "Delete fileio"
+    },
+    {
+      "name": "read_fileio",
+      "value": "Read fileio"
+    },
+    {
+      "name": "create_string",
+      "value": "create_file success =>"
+    },
+    {
+      "name": "rename_string",
+      "value": "rename_file success =>"
+    },
+    {
+      "name": "write_string",
+      "value": "write_file success =>"
+    },
+    {
+      "name": "read_string",
+      "value": "read_file success"
+    },
+    {
+      "name": "delete_string",
+      "value": "delete_file success"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/data/EtsFileIo/entry/src/main/resources/base/media/icon.png b/data/EtsFileIo/entry/src/main/resources/base/media/icon.png
new file mode 100644
index 0000000000000000000000000000000000000000..ce307a8827bd75456441ceb57d530e4c8d45d36c
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diff --git a/data/EtsFileIo/entry/src/main/resources/en/element/string.json b/data/EtsFileIo/entry/src/main/resources/en/element/string.json
new file mode 100644
index 0000000000000000000000000000000000000000..2d13486730ef0fe3e62494fdfa41487220590e25
--- /dev/null
+++ b/data/EtsFileIo/entry/src/main/resources/en/element/string.json
@@ -0,0 +1,56 @@
+{
+  "string": [
+    {
+      "name": "app_name",
+      "value": "eTSFileIO"
+    },
+    {
+      "name": "description_mainability",
+      "value": "ETS_Empty Ability"
+    },
+    {
+      "name": "title",
+      "value": "eTSFileIO"
+    },
+    {
+      "name": "create_fileio",
+      "value": "Create file"
+    },
+    {
+      "name": "rename_fileio",
+      "value": "Rename file"
+    },
+    {
+      "name": "write_fileio",
+      "value": "Write file"
+    },
+    {
+      "name": "delete_fileio",
+      "value": "Delete file"
+    },
+    {
+      "name": "read_fileio",
+      "value": "Read file"
+    },
+    {
+      "name": "create_string",
+      "value": "create_file success =>"
+    },
+    {
+      "name": "rename_string",
+      "value": "rename_file success =>"
+    },
+    {
+      "name": "write_string",
+      "value": "write_file success =>"
+    },
+    {
+      "name": "read_string",
+      "value": "read_file success"
+    },
+    {
+      "name": "delete_string",
+      "value": "delete_file success"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/data/EtsFileIo/entry/src/main/resources/zh/element/string.json b/data/EtsFileIo/entry/src/main/resources/zh/element/string.json
new file mode 100644
index 0000000000000000000000000000000000000000..c81069176061c553175561c010112242484874cb
--- /dev/null
+++ b/data/EtsFileIo/entry/src/main/resources/zh/element/string.json
@@ -0,0 +1,56 @@
+{
+  "string": [
+    {
+      "name": "app_name",
+      "value": "文件管理"
+    },
+    {
+      "name": "description_mainability",
+      "value": "ETS_Empty Ability"
+    },
+    {
+      "name": "title",
+      "value": "文件管理"
+    },
+    {
+      "name": "create_fileio",
+      "value": "创建文件"
+    },
+    {
+      "name": "rename_fileio",
+      "value": "修改文件名"
+    },
+    {
+      "name": "write_fileio",
+      "value": "文件写入"
+    },
+    {
+      "name": "delete_fileio",
+      "value": "删除文件"
+    },
+    {
+      "name": "read_fileio",
+      "value": "读取文件"
+    },
+    {
+      "name": "create_string",
+      "value": "创建文件成功 =>"
+    },
+    {
+      "name": "rename_string",
+      "value": "修改文件名成功 =>"
+    },
+    {
+      "name": "write_string",
+      "value": "写入文件成功 =>"
+    },
+    {
+      "name": "read_string",
+      "value": "读取文件成功"
+    },
+    {
+      "name": "delete_string",
+      "value": "删除文件成功"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/data/EtsFileIo/screenshots/device/etsFileIo.png b/data/EtsFileIo/screenshots/device/etsFileIo.png
new file mode 100644
index 0000000000000000000000000000000000000000..56d8f36fd23c44c9cecae040f05a66cb7b4a67b3
Binary files /dev/null and b/data/EtsFileIo/screenshots/device/etsFileIo.png differ
diff --git a/data/EtsFileIo/settings.gradle b/data/EtsFileIo/settings.gradle
new file mode 100644
index 0000000000000000000000000000000000000000..4773db73233a570c2d0c01a22e75321acfbf7a07
--- /dev/null
+++ b/data/EtsFileIo/settings.gradle
@@ -0,0 +1 @@
+include ':entry'