diff --git a/shell/platform/ohos/BUILD.gn b/shell/platform/ohos/BUILD.gn
index c9c6d05810ce04ff4450baed87c2699694181c44..417e741443d7157b075d117b71b985ec89269dbb 100644
--- a/shell/platform/ohos/BUILD.gn
+++ b/shell/platform/ohos/BUILD.gn
@@ -232,6 +232,7 @@ shared_library("flutter_shell_native") {
   ldflags += ["-lm"]
   ldflags += ["-lpthread"]
   ldflags += ["-lpixelmap_ndk.z"]
+  ldflags += ["-lqos"]
 
   public_configs = [ "//flutter:config" ]
 }
diff --git a/shell/platform/ohos/ohos_shell_holder.cpp b/shell/platform/ohos/ohos_shell_holder.cpp
index cbc08c05a68fd33c96102c547b6fde23c9796fc7..c995a841934c750f627ae5709d1b0b827c18ce2e 100644
--- a/shell/platform/ohos/ohos_shell_holder.cpp
+++ b/shell/platform/ohos/ohos_shell_holder.cpp
@@ -24,6 +24,7 @@
 
 #include <sys/resource.h>
 #include <sys/time.h>
+#include <qos/qos.h>
 
 namespace flutter {
 
@@ -33,34 +34,23 @@ static void OHOSPlatformThreadConfigSetter(
   // set thread priority
   switch (config.priority) {
     case fml::Thread::ThreadPriority::BACKGROUND: {
-      if (::setpriority(PRIO_PROCESS, 0, 10) != 0) {
-        FML_DLOG(ERROR) << "Failed to set IO task runner priority";
-      }
-      break;
+        int ret = OH_QoS_SetThreadQoS(QoS_Level::QOS_BACKGROUND);
+        FML_DLOG(INFO) << "qos set background result:" << ret << ",tid:" << gettid();
+        break;
     }
     case fml::Thread::ThreadPriority::DISPLAY: {
-      if (::setpriority(PRIO_PROCESS, 0, -1) != 0) {
-        FML_DLOG(ERROR) << "Failed to set UI task runner priority";
-      }
-      break;
+        int ret = OH_QoS_SetThreadQoS(QoS_Level::QOS_USER_INTERACTIVE);
+        FML_DLOG(INFO) << "qos set display result:" << ret << ",tid:" << gettid();
+        break;
     }
     case fml::Thread::ThreadPriority::RASTER: {
-      // Android describes -8 as "most important display threads, for
-      // compositing the screen and retrieving input events". Conservatively
-      // set the raster thread to slightly lower priority than it.
-      if (::setpriority(PRIO_PROCESS, 0, -5) != 0) {
-        // Defensive fallback. Depending on the OEM, it may not be possible
-        // to set priority to -5.
-        if (::setpriority(PRIO_PROCESS, 0, -2) != 0) {
-          FML_DLOG(ERROR) << "Failed to set raster task runner priority";
-        }
-      }
-      break;
+        int ret = OH_QoS_SetThreadQoS(QoS_Level::QOS_USER_INTERACTIVE);
+        FML_DLOG(INFO) << "qos set raster result:" << ret << ",tid:" << gettid();
+        break;
     }
     default:
-      if (::setpriority(PRIO_PROCESS, 0, 0) != 0) {
-        FML_DLOG(ERROR) << "Failed to set priority";
-      }
+        int ret = OH_QoS_SetThreadQoS(QoS_Level::QOS_DEFAULT);
+        FML_DLOG(INFO) << "qos set default result:" << ret << ",tid:" << gettid();
   }
 }