diff --git a/resourceschedule/qos_manager/BUILD.gn b/resourceschedule/qos_manager/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..4ee07328187de2d088afa231c7d4dec0f8c1e0c1
--- /dev/null
+++ b/resourceschedule/qos_manager/BUILD.gn
@@ -0,0 +1,28 @@
+# Copyright (c) 2024 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("//build/ohos.gni")
+import("//build/ohos/ndk/ndk.gni")
+
+ohos_ndk_headers("qos_header") {
+  dest_dir = "$ndk_headers_out_dir/qos"
+  sources = [ "./c/qos.h" ]
+}
+
+ohos_ndk_library("libqos_ndk") {
+  output_name = "qos"
+  output_extension = "so"
+  ndk_description_file = "./libqos.ndk.json"
+  system_capability = "SystemCapability.Resourceschedule.QoS.Core"
+  system_capability_headers = [ "qos/qos.h" ]
+}
diff --git a/resourceschedule/qos_manager/c/qos.h b/resourceschedule/qos_manager/c/qos.h
new file mode 100644
index 0000000000000000000000000000000000000000..c92ab5b8622578b0b086fb042b15bda961c48c97
--- /dev/null
+++ b/resourceschedule/qos_manager/c/qos.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2024 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.
+ */
+
+#ifndef QOS_H
+#define QOS_H
+/**
+ * @addtogroup QoS
+ * @{
+ *
+ * @brief QoS provides APIs.
+ *
+ * @since 12
+ */
+ 
+/**
+ * @file qos.h
+ *
+ * @brief Declares the QoS interfaces in C.
+ *
+ * Quality-of-service (QoS) refers to the priority scheduling attribute of tasks
+ * in OpenHarmony. Developers can use QoS to categorize tasks to be executed to
+ * indicate the degree of their relevance to user interactions, the system can
+ * schedule the time and running order of tasks according to the QoS set by the tasks.
+ *
+ * @library libqos.so
+ * @syscap SystemCapability.Resourceschedule.QoS.Core
+ * @since 12
+ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Describes the level of QoS.
+ *
+ * @since 12
+ */
+typedef enum QoS_Level {
+    /**
+     * @brief Means the QoS level is background.
+     */
+    QOS_BACKGROUND = 0,
+
+    /**
+     * @brief Means the QoS level is utility.
+     */
+    QOS_UTILITY,
+
+    /**
+     * @brief Means the QoS level is default.
+     */
+    QOS_DEFAULT,
+
+    /**
+     * @brief Means the QoS level is user-initiated.
+     */
+    QOS_USER_INITIATED,
+
+    /**
+     * @brief Means the QoS level is user-request.
+     */
+    QOS_DEADLINE_REQUEST,
+
+    /**
+     * @brief Means the QoS level is user-interactive.
+     */
+    QOS_USER_INTERACTIVE,
+} QoS_Level;
+
+/**
+ * @brief Set the QoS level of the current thread.
+ *
+ * @param level Indicates the level to set. Specific level can be referenced {@link QoS_Level}.
+ * @return Returns int32_t, return value == 0, success, otherwise value == -1, failed.
+ * @see QoS_Level
+ * @since 12
+ */
+int OH_QoS_SetThreadQoS(QoS_Level level);
+
+/**
+ * @brief Cancel the QoS level of the current thread.
+ *
+ * @return Returns int32_t, return value == 0, success, otherwise value == -1, failed.
+ * @see QoS_Level
+ * @since 12
+ */
+int OH_QoS_ResetThreadQoS();
+
+/**
+ * @brief Obtains the QoS level of the current thread.
+ *
+ * @param level This parameter is the output parameter,
+ * and the QoS level of the thread as a {@link QoS_Level} is written to this variable.
+ * @return Returns int32_t, return value == 0, success, otherwise value == -1, failed.
+ * @see QoS_Level
+ * @since 12
+ */
+int OH_QoS_GetThreadQoS(QoS_Level *level);
+#ifdef __cplusplus
+};
+#endif
+#endif //QOS_H
diff --git a/resourceschedule/qos_manager/libqos.ndk.json b/resourceschedule/qos_manager/libqos.ndk.json
new file mode 100644
index 0000000000000000000000000000000000000000..6c21f98392fa5e1206ed70bd5a6c47e075e6aa6a
--- /dev/null
+++ b/resourceschedule/qos_manager/libqos.ndk.json
@@ -0,0 +1,14 @@
+[
+    { 
+        "first_introduced": "12",
+        "name": "OH_QoS_SetThreadQoS"
+    },
+    { 
+        "first_introduced": "12",
+        "name": "OH_QoS_ResetThreadQoS" 
+    },
+    { 
+        "first_introduced": "12",
+        "name": "OH_QoS_GetThreadQoS" 
+    }
+]
\ No newline at end of file