diff --git a/OAT.xml b/OAT.xml
old mode 100644
new mode 100755
index 63d6db0d996949d97aa23e700794ea21f2674d34..a3c8af187a381d63422ba4ec7803ca71f1879dd1
--- a/OAT.xml
+++ b/OAT.xml
@@ -60,6 +60,7 @@ Note:If the text contains special characters, please escape them according to th
         <policylist>
             <policy name="projectPolicy" desc="">
                 <policyitem type="copyright" name="Huawei Device Co.," path="ace_engine/.*" rule="may" group="defaultGroup" filefilter="copyrightPolicyFilter" desc="ace子系统对外提供的js接口，无法添加版权头"/>
+                <policyitem type="copyright" name="Chipsea Technologies (Shenzhen) Corp.," path="ace_engine/.*" rule="may" group="defaultGroup" filefilter="copyrightPolicyFilter" desc="ace子系统对外提供的js接口，无法添加版权头"/>
             </policy>
         </policylist>
         <filefilterlist>
diff --git a/api/@ohos.medical.d.ts b/api/@ohos.medical.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..6d5358d7b87081063283a0cfa076f7d417910102
--- /dev/null
+++ b/api/@ohos.medical.d.ts
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2022 Chipsea Technologies (Shenzhen) Corp., 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 { Callback } from './basic';
+
+/**
+ * This module provides the capability to subscribe to medical data.
+ *
+ * @since 8
+ * @sysCap SystemCapability.Sensors.Medical_sensor
+ * @import import medical from '@ohos.medical'
+ * @permission ohos.permission.READ_HEALTH_DATA
+ */
+declare namespace medical {
+    /**
+     * Subscribe to medical sensor data, If the API is called multiple times, the last call takes effect.
+     * @param type Indicate the medical type to listen for, {@code MedicalSensorType.TYPE_ID_PHOTOPLETHYSMOGRAPH}.
+     * @param options Optional parameters specifying the interval at which medical sensor data is reported, {@code Options}.
+     * @permission ohos.permission.READ_HEALTH_DATA
+     * @since 8
+     */
+    function on(type: MedicalSensorType, callback: Callback<PpgResponse>, options?: Options): void;
+
+    /**
+     * Unsubscribe to medical sensor data once.
+     * @param type Indicate the medical sensor type to listen for, {@code MedicalSensorType}.
+     * @permission ohos.permission.READ_HEALTH_DATA
+     * @since 8
+     */
+    function off(type: MedicalSensorType, callback?: Callback<PpgResponse>): void;
+
+    /**
+     * Subscribe to the medical sensor's optional parameters.
+     * @sysCap SystemCapability.Sensors.Medical_sensor
+     */
+    interface Options {
+        interval?: number; /**< Sensor event reporting event interval */
+    }
+
+    /**
+     * The type of medical sensor.
+     * @sysCap SystemCapability.Sensors.Medical_sensor
+     */
+    enum MedicalSensorType {
+        TYPE_ID_PHOTOPLETHYSMOGRAPH = 129,    /**< Photoplethysmography */
+    }
+
+    interface PpgResponse {
+        dataArray: Array<number>; /**< Photoplethysmography data */
+    }
+ }
+
+ export default medical;