diff --git a/service/native/include/display_power_mgr_service.h b/service/native/include/display_power_mgr_service.h
index 3641bdd777c72fe2e32690fb23d45435083779aa..37a6e2f4c184cbe46136d290cd6efdee66724a1b 100644
--- a/service/native/include/display_power_mgr_service.h
+++ b/service/native/include/display_power_mgr_service.h
@@ -73,6 +73,8 @@ private:
         CallbackDeathRecipient() = default;
         virtual ~CallbackDeathRecipient() = default;
         virtual void OnRemoteDied(const wptr<IRemoteObject>& remote);
+    private:
+        std::mutex callbackMutex_;
     };
 
     static const uint32_t AUTO_ADJUST_BRIGHTNESS_STRIDE = 1;
diff --git a/service/native/src/display_power_mgr_service.cpp b/service/native/src/display_power_mgr_service.cpp
index 18e23cbbb6a5599d9194b96f99bbbf7675157ed8..17c01f09be7f706862da653aaf6ef4cebe9e8db6 100644
--- a/service/native/src/display_power_mgr_service.cpp
+++ b/service/native/src/display_power_mgr_service.cpp
@@ -464,6 +464,7 @@ uint32_t DisplayPowerMgrService::GetDeviceBrightness(uint32_t displayId)
 
 void DisplayPowerMgrService::NotifyStateChangeCallback(uint32_t displayId, DisplayState state)
 {
+    std::lock_guard lock(mutex_);
     if (callback_ != nullptr) {
         callback_->OnDisplayStateChanged(displayId, state);
     }
@@ -715,6 +716,7 @@ void DisplayPowerMgrService::CallbackDeathRecipient::OnRemoteDied(const wptr<IRe
         return;
     }
 
+    std::lock_guard lock(callbackMutex_);
     pms->callback_ = nullptr;
 }
 } // namespace DisplayPowerMgr