diff --git a/api/@ohos.faultLogger.d.ts b/api/@ohos.faultLogger.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..887f3a570d1b8b6a9927e69d51355a09fd79eaf9
--- /dev/null
+++ b/api/@ohos.faultLogger.d.ts
@@ -0,0 +1,131 @@
+/*
+* 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 { AsyncCallback } from "./basic";
+
+
+/**
+ * This module provides the capability to query faultlog data.
+ *
+ * @since 8
+ * @sysCap SystemCapability.HiviewDFX.Hiview.FaultLogger
+ * @devices phone, tablet
+ * @import import sensor from '@ohos.faultlogger'
+ */
+
+declare namespace FaultLogger {
+  /**
+   * The type of fault type.
+   * @devices phone, tablet
+   * @sysCap SystemCapability.Sensors.Sensor
+   * @since 8
+   */
+  enum FaultType {
+    /**
+     * NO_SPECIFIC log type not distinguished.
+     * @since 8 
+     */
+    NO_SPECIFIC = 0,
+    /**
+     * CPP_CRASH CPP crash log type
+     * @since 8 
+     */
+    CPP_CRASH = 2,
+    /**
+     * JS_CRASH JS crash log type
+     * @since 8 
+     */
+    JS_CRASH = 3,
+    /**
+     * APP_FREEZE app feeeze log type
+     * @since 8 
+     */
+    APP_FREEZE = 4,
+  }
+
+  /**
+   * Query the result of the current application FaultLog in callback Mode
+   * @param faultType fault type to query
+   * @param callback faultlog information data callback function
+   * @since 8
+   */
+  function querySelfFaultLog(faultType: FaultType, callback: AsyncCallback<Array<FaultLogInfo>>) : void;
+
+  /**
+   * Query the result of the current application FaultLog in return promise mode.
+   * @param faultType fault type to query
+   * @return return faultlog information data by promise
+   * @since 8
+   */
+  function querySelfFaultLog(faultType: FaultType) : Promise<Array<FaultLogInfo>>;
+
+  /**
+   * FaultLog information data structure
+   * @devices phone, tablet
+   * @sysCap SystemCapability.Sensors.Sensor
+   * @since 8
+   */
+  interface FaultLogInfo {
+    /**
+     * pid Process id
+     * @since 8
+     */
+    pid: number;
+
+    /**
+     * uid user id
+     * @since 8
+     */
+    uid: number;
+
+    /**
+     * type fault type
+     * @since 8
+     */
+    type: FaultType;
+
+    /**
+     * second level timestamp
+     * @since 8
+     */
+    timestamp: number;
+
+    /**
+     * reason fault reason
+     * @since 8
+     */
+    reason: string;
+
+    /**
+     * module fault module
+     * @since 8
+     */
+    module: string;
+
+    /**
+     * summary fault summary
+     * @since 8
+     */
+    summary: string;
+
+    /**
+     * fullLog fault log
+     * @since 8
+     */
+    fullLog: string;
+  }
+}
+
+export default FaultLogger;