diff --git a/sensor/v1_0/BUILD.gn b/sensor/v1_0/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..0dcab2c5d7376f44e9126c77e1272782401c0b40
--- /dev/null
+++ b/sensor/v1_0/BUILD.gn
@@ -0,0 +1,28 @@
+# Copyright (c) 2021 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("//drivers/adapter/uhdf2/hdi.gni")
+
+hdi("sensor") {
+  package = "sensor.v1_0"
+
+  module_name = "sensor_service"
+
+  sources = [
+    "ISensorCallback.idl",
+    "ISensorInterface.idl",
+    "SensorTypes.idl",
+  ]
+
+  language = "cpp"
+}
diff --git a/sensor/v1_0/ISensorCallback.idl b/sensor/v1_0/ISensorCallback.idl
new file mode 100644
index 0000000000000000000000000000000000000000..bb697a5c1114067988d88d47dfcedf568dc59a98
--- /dev/null
+++ b/sensor/v1_0/ISensorCallback.idl
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2021 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.
+ */
+
+/**
+ * @addtogroup Sensor
+ * @{
+ *
+ * @brief Provides unified APIs for sensor services to access sensor drivers.
+ *
+ * A sensor service can obtain a sensor driver object or agent and then call APIs provided by this object or agent to
+ * access different types of sensor devices based on the sensor IDs, thereby obtaining sensor information,
+ * subscribing to or unsubscribing from sensor data, enabling or disabling a sensor,
+ * setting the sensor data reporting mode, and setting sensor options such as the accuracy and measurement range.
+ *
+ * @version 1.0
+ */
+
+package sensor.v1_0;
+
+import sensor.v1_0.SensorTypes;
+
+/**
+ * @brief Defines the callback for reporting sensor data. This callback needs to be registered when
+ * a sensor user subscribes to sensor data. Only after the sensor is enabled, the sensor data subscriber can receive
+ * sensor data. For details, see {@link ISensorInterface}.
+ *
+ * @since 2.2
+ */
+[callback] interface ISensorCallback {
+    /**
+    * @brief Defines the function for reporting sensor data. 
+    *
+    * @since 2.2
+    */
+    OnDataEvent([in] struct HdfSensorEvents event);
+}
diff --git a/sensor/v1_0/ISensorInterface.idl b/sensor/v1_0/ISensorInterface.idl
new file mode 100644
index 0000000000000000000000000000000000000000..04e2ec1cf6f6d2bc2277408201ade481d9811605
--- /dev/null
+++ b/sensor/v1_0/ISensorInterface.idl
@@ -0,0 +1,149 @@
+/*
+ * Copyright (c) 2021 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.
+ */
+
+/**
+ * @addtogroup Sensor
+ * @{
+ *
+ * @brief Provides unified APIs for sensor services to access sensor drivers.
+ *
+ * A sensor service can obtain a sensor driver object or agent and then call APIs provided by this object or agent to
+ * access different types of sensor devices based on the sensor IDs, thereby obtaining sensor information,
+ * subscribing to or unsubscribing from sensor data, enabling or disabling a sensor,
+ * setting the sensor data reporting mode, and setting sensor options such as the accuracy and measurement range.
+ *
+ * @since 2.2
+ */
+
+/**
+ * @file ISensorInterface.idl
+ *
+ * @brief Declares the APIs provided by the sensor module for obtaining sensor information, subscribing to or
+ * unsubscribing from sensor data, enabling or disabling a sensor, setting the sensor data reporting mode,
+ * and setting sensor options such as the accuracy and measurement range.
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+
+package sensor.v1_0;
+
+import sensor.v1_0.SensorTypes;
+import sensor.v1_0.ISensorCallback;
+
+/**
+ * @brief Defines the functions for performing basic operations on sensors.
+ *
+ * The operations include obtaining sensor information, subscribing to or unsubscribing from sensor data,
+ * enabling or disabling a sensor, setting the sensor data reporting mode, and setting sensor options such as
+ * the accuracy and measurement range.
+ */
+interface ISensorInterface {
+    /**
+     * @brief Obtains information about all sensors in the system.
+     *
+     * @param info Indicates the vector of the information about all sensors in the system.
+     * The information about a sensor generally includes the sensor name, sensor vendor, firmware version,
+     * hardware version, sensor type ID, sensor ID, maximum measurement range, accuracy, and power. For details,
+     * see {@link HdfSensorInformation}.
+     * @return Returns <b>0</b> if the information is obtained; returns a negative value otherwise.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    GetAllSensorInfo([out] struct HdfSensorInformation[] info);
+
+    /**
+     * @brief Enables the sensor available in the sensor list based on the specified sensor ID.
+     * The subscriber can obtain the sensor data only after the sensor is enabled.
+     *
+     * @param sensorId Indicates the sensor ID. For details, see {@link SensorTypeTag}.
+     * @return Returns <b>0</b> if the sensor is successfully enabled; returns a negative value otherwise.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    Enable([in] int sensorId);
+
+    /**
+     * @brief Disables an enabled sensor.
+     *
+     * @param sensorId Indicates the sensor ID. For details, see {@link SensorTypeTag}.
+     * @return Returns <b>0</b> if the sensor is successfully disabled; returns a negative value otherwise.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    Disable([in] int sensorId);
+
+    /**
+     * @brief Sets the data sampling interval and data reporting interval for the specified sensor.
+     *
+     * @param sensorId Indicates the sensor ID. For details, see {@link SensorTypeTag}.
+     * @param samplingInterval Indicates the sensor data sampling interval to set, in nanoseconds.
+     * @param reportInterval Indicates the sensor data reporting interval, in nanoseconds.
+     * @return Returns <b>0</b> if the setting is successful; returns a negative value otherwise.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    SetBatch([in] int sensorId,[in] long samplingInterval, [in] long reportInterval);
+
+    /**
+     * @brief Sets the data reporting mode for the specified sensor.
+     *
+     * @param sensorId Indicates the sensor ID. For details, see {@link SensorTypeTag}.
+     * @param mode Indicates the data reporting mode to set. For details, see {@link SensorModeType}.
+     * @return Returns <b>0</b> if the sensor data reporting mode is successfully set;
+     * returns a negative value otherwise.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    SetMode([in] int sensorId, [in] int mode);
+
+    /**
+     * @brief Sets options for the specified sensor, including its measurement range and accuracy.
+     *
+     * @param sensorId Indicates the sensor ID. For details, see {@link SensorTypeTag}.
+     * @param option Indicates the options to set, such as the measurement range and accuracy.
+     * @return Returns <b>0</b> if the options are successfully set; returns a negative value otherwise.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    SetOption([in] int sensorId, [in] unsigned int option);
+
+    /**
+     * @brief Registers the callback for reporting sensor data to the subscriber.
+     *
+     * @param callbackObj Indicates the callback to register. For details, see {@link ISensorCallback}.
+     * @return Returns <b>0</b> if the callback is successfully registered; returns a negative value otherwise.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    Register([in] ISensorCallback callbackObj);
+
+    /**
+     * @brief Deregisters the callback for reporting sensor data.
+     *
+     * @return Returns <b>0</b> if the callback is successfully deregistered; returns a negative value otherwise.
+     *
+     * @since 2.2
+     * @version 1.0
+     */
+    Unregister();
+}
diff --git a/sensor/v1_0/SensorTypes.idl b/sensor/v1_0/SensorTypes.idl
new file mode 100644
index 0000000000000000000000000000000000000000..9b3c348d837f750a9349fe706fc25298361c015b
--- /dev/null
+++ b/sensor/v1_0/SensorTypes.idl
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2021 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.
+ */
+
+/**
+ * @addtogroup Sensor
+ * @{
+ *
+ * @brief Provides unified APIs for sensor services to access sensor drivers.
+ *
+ * A sensor service can obtain a sensor driver object or agent and then call APIs provided by this object or agent to
+ * access different types of sensor devices based on the sensor IDs, thereby obtaining sensor information,
+ * subscribing to or unsubscribing from sensor data, enabling or disabling a sensor,
+ * setting the sensor data reporting mode, and setting sensor options such as the accuracy and measurement range.
+ *
+ * @version 1.0
+ */
+
+/**
+ * @file SensorTypes.idl
+ *
+ * @brief Defines the data used by the sensor module, including the sensor information,
+ * and reported sensor data.
+ *
+ * @since 2.2
+ * @version 1.0
+ */
+
+package sensor.v1_0;
+
+/**
+ * @brief Defines basic sensor information.
+ *
+ * Information about a sensor includes the sensor name, vendor, firmware version, hardware version, sensor type ID,
+ * sensor ID, maximum measurement range, accuracy, and power.
+ *
+ * @since 2.2
+ */
+struct HdfSensorInformation {
+    String sensorName; /**< Sensor name */
+    String vendorName; /**< Sensor vendor */
+    String firmwareVersion; /**< Sensor firmware version */
+    String hardwareVersion; /**< Sensor hardware version */
+    int sensorTypeId; /**< Sensor type ID (described in {@link SensorTypeTag}) */
+    int sensorId;     /**< Sensor ID, defined by the sensor driver developer */
+    float maxRange;   /**< Maximum measurement range of the sensor */
+    float accuracy;   /**< Sensor accuracy */
+    float power;      /**< Sensor power */
+};
+
+/**
+ * @brief Defines the data reported by the sensor.
+ *
+ * The reported sensor data includes the sensor ID, sensor algorithm version, data generation time,
+ * data options (such as the measurement range and accuracy), data reporting mode, data address, and data length.
+ *
+ * @since 2.2
+ */
+struct HdfSensorEvents {
+    int sensorId;            /**< Sensor ID */
+    int version;             /**< Sensor algorithm version */
+    int timestamp;           /**< Time when sensor data was generated */
+    unsigned int option;     /**< Sensor data options, including the measurement range and accuracy */
+    int mode;                /**< Sensor data reporting mode */
+    unsigned char[] data;    /**< Sensor data vector */
+    unsigned int dataLen;    /**< Sensor data length */
+};