diff --git a/packages/uni-api/src/index.ts b/packages/uni-api/src/index.ts
index 0eb913287b989cd4726dee74bea4d90f62188b2b..3d0fd648ea3364e8f1159db209dfd7f21740ed97 100644
--- a/packages/uni-api/src/index.ts
+++ b/packages/uni-api/src/index.ts
@@ -30,6 +30,7 @@ export * from './protocols/device/compass'
 export * from './protocols/device/vibrate'
 export * from './protocols/device/bluetooth'
 export * from './protocols/device/ibeacon'
+export * from './protocols/device/brightness'
 
 export * from './protocols/storage/storage'
 
diff --git a/packages/uni-api/src/protocols/device/brightness.ts b/packages/uni-api/src/protocols/device/brightness.ts
new file mode 100644
index 0000000000000000000000000000000000000000..950d6c610b3ce9d4ce88ecb44769546469b7ed4e
--- /dev/null
+++ b/packages/uni-api/src/protocols/device/brightness.ts
@@ -0,0 +1,8 @@
+export const API_GET_SCREEN_BRIGHTNESS = 'getScreenBrightness'
+export type API_TYPE_GET_SCREEN_BRIGHTNESS = typeof uni.getScreenBrightness
+
+export const API_SET_SCREEN_BRIGHTNESS = 'setScreenBrightness'
+export type API_TYPE_SET_SCREEN_BRIGHTNESS = typeof uni.setScreenBrightness
+
+export const API_SET_KEEP_SCREEN_ON = 'setKeepScreenOn'
+export type API_TYPE_SET_KEEP_SCREEN_ON = typeof uni.setKeepScreenOn
diff --git a/packages/uni-app-plus/src/service/api/device/brightness.ts b/packages/uni-app-plus/src/service/api/device/brightness.ts
new file mode 100644
index 0000000000000000000000000000000000000000..b0820aace98cba6a5a7f328532545f79b70751cd
--- /dev/null
+++ b/packages/uni-app-plus/src/service/api/device/brightness.ts
@@ -0,0 +1,35 @@
+import {
+  defineAsyncApi,
+  API_GET_SCREEN_BRIGHTNESS,
+  API_TYPE_GET_SCREEN_BRIGHTNESS,
+  API_SET_SCREEN_BRIGHTNESS,
+  API_TYPE_SET_SCREEN_BRIGHTNESS,
+  API_SET_KEEP_SCREEN_ON,
+  API_TYPE_SET_KEEP_SCREEN_ON,
+} from '@dcloudio/uni-api'
+
+export const getScreenBrightness =
+  defineAsyncApi<API_TYPE_GET_SCREEN_BRIGHTNESS>(
+    API_GET_SCREEN_BRIGHTNESS,
+    (_, { resolve }) => {
+      const value = plus.screen.getBrightness(false)
+      resolve({ value })
+    }
+  )
+
+export const setScreenBrightness =
+  defineAsyncApi<API_TYPE_SET_SCREEN_BRIGHTNESS>(
+    API_SET_SCREEN_BRIGHTNESS,
+    (options, { resolve }) => {
+      plus.screen.setBrightness(options.value, false)
+      resolve()
+    }
+  )
+
+export const setKeepScreenOn = defineAsyncApi<API_TYPE_SET_KEEP_SCREEN_ON>(
+  API_SET_KEEP_SCREEN_ON,
+  (options, { resolve }) => {
+    plus.device.setWakelock(!!options.keepScreenOn)
+    resolve()
+  }
+)