diff --git a/resourceschedule/background_process_manager/background_process_manager.ndk.json b/resourceschedule/background_process_manager/background_process_manager.ndk.json
index db04aecf143c3582923491dfbe5a6468b58cf7c5..c2ac2e36407459c58fbdbbb8cea374ee03e73c15 100644
--- a/resourceschedule/background_process_manager/background_process_manager.ndk.json
+++ b/resourceschedule/background_process_manager/background_process_manager.ndk.json
@@ -6,5 +6,13 @@
     {
         "first_introduced": "17",
         "name": "OH_BackgroundProcessManager_ResetProcessPriority"
+    },
+    {
+        "first_introduced": "20",
+        "name": "OH_BackgroundProcessManager_SetPowerSaveMode"
+    },
+    {
+        "first_introduced": "20",
+        "name": "OH_BackgroundProcessManager_IsPowerSaveMode"
     }
 ]
\ No newline at end of file
diff --git a/resourceschedule/background_process_manager/include/background_process_manager.h b/resourceschedule/background_process_manager/include/background_process_manager.h
index b2049aaadfe5d7b15eebffdaf9a8f7137a5819fc..15dc73954a04222c2f05056401e2d1754310067d 100644
--- a/resourceschedule/background_process_manager/include/background_process_manager.h
+++ b/resourceschedule/background_process_manager/include/background_process_manager.h
@@ -59,6 +59,24 @@ typedef enum BackgroundProcessManager_ProcessPriority {
     PROCESS_INACTIVE = 2,
 } BackgroundProcessManager_ProcessPriority;
 
+/**
+ * @brief Description the status of the power saving mode.
+ *
+ * @since 20
+ */
+typedef enum BackgroundProcessManager_PowerSaveMode {
+    /**
+     * @brief Means the process request not to entry power saving mode
+     * This setting may be overridden by settings in Task Manager
+     */
+    EFFICIENCY_MODE = 1,
+
+    /**
+     * @brief Means the process operating mode follows the system and may entry power saving mode
+     */
+    DEFAULT_MODE = 2,
+} BackgroundProcessManager_PowerSaveMode;
+
 /**
  * @brief Enum for BackgroundProcessManager error code.
  *
@@ -70,17 +88,45 @@ typedef enum BackgroundProcessManager_ErrorCode {
      */
     ERR_BACKGROUND_PROCESS_MANAGER_SUCCESS = 0,
 
+    /**
+     * @error Permission denied.
+     */
+    ERR_BACKGROUND_PROCESS_MANAGER_PERMISSION_DENIED = 201,
+
     /**
      * @error invalid parameter. Possible causes:
      * 1. priority is out of range.
      */
     ERR_BACKGROUND_PROCESS_MANAGER_INVALID_PARAM = 401,
 
+    /**
+     * @error Capability not supported.
+     */
+    ERR_BACKGROUND_PROCESS_MANAGER_CAPABILITY_NOT_SUPPORTED = 801,
+
     /**
      * @error remote error. Possible causes:
      * 1. remote is not work.
      */
     ERR_BACKGROUND_PROCESS_MANAGER_REMOTE_ERROR = 31800001,
+
+    /**
+     * @error Parameter error. Possible causes:
+     * 1. Mandatory parameters are left unspecified;
+     * 2. Incorrect parameter types;
+     * 3. PowerSaveMode status is out of range.
+     */
+    ERR_BACKGROUND_PROCESS_MANAGER_PARAMETER_ERROR = 31800002,
+
+    /**
+     * @error Setup erro. This setting is overridden by setting in Task Manager.
+     */
+    ERR_BACKGROUND_PROCESS_MANAGER_SETUP_ERROR = 31800003,
+
+    /**
+     * @error The setting failed due to system scheduling reasons.
+     */
+    ERR_BACKGROUND_PROCESS_MANAGER_SYSTEM_SCHEDULING = 31800004,
 } BackgroundProcessManager_ErrorCode;
 
 /**
@@ -103,6 +149,33 @@ int OH_BackgroundProcessManager_SetProcessPriority(int pid, BackgroundProcessMan
  * @since 17
  */
 int OH_BackgroundProcessManager_ResetProcessPriority(int pid);
+
+/**
+ * @brief Set the power saving mode of process. The setting may fail due to user setting
+ * reasons or system scheduling reasons.
+ * @param pid Indicates the pid of the power saving mode to be set.
+ * @param powerSaveMode Indicates the power saving mode that needs to be set.
+ * For details, please refer to BackgroundProcessManager_PowerSaveMode
+ * @return {@link ERR_BACKGROUND_PROCESS_MANAGER_SUCCESS} 0 - Success.
+ * @return {@link ERR_BACKGROUND_PROCESS_MANAGER_PERMISSION_DENIED} 201 - Permission denied.
+ * @return {@link ERR_BACKGROUND_PROCESS_MANAGER_CAPABILITY_NOT_SUPPORTED} 801 - Capability not supported.
+ * @return {@link ERR_BACKGROUND_PROCESS_MANAGER_PARAMETER_ERROR} 31800002 - Parameter error.
+ * @return {@link ERR_BACKGROUND_PROCESS_MANAGER_SETUP_ERROR} 31800003 - Setup error.
+ * @since 20
+ */
+int OH_BackgroundProcessManager_SetPowerSaveMode(int pid, BackgroundProcessManager_PowerSaveMode powerSaveMode);
+
+/**
+ * @brief Check is the process is in power saving mode.
+ *
+ * @param pid Indicates the process to be checked is the pid of the power saving mode.
+ * @return {@link ERR_BACKGROUND_PROCESS_MANAGER_SUCCESS} 0 - Success.
+ * @return {@link ERR_BACKGROUND_PROCESS_MANAGER_PERMISSION_DENIED} 201 - Permission denied.
+ * @return {@link ERR_BACKGROUND_PROCESS_MANAGER_CAPABILITY_NOT_SUPPORTED} 801 - Capability not supported.
+ * @return {@link ERR_BACKGROUND_PROCESS_MANAGER_PARAMETER_ERROR} 31800002 - Parameter error.
+ * @since 20
+ */
+int OH_BackgroundProcessManager_IsPowerSaveMode(int pid);
 #ifdef __cplusplus
 };
 #endif