diff --git a/test/fuzztest/services/createdatachannelstub_fuzzer/createdatachannelstub_fuzzer.cpp b/test/fuzztest/services/createdatachannelstub_fuzzer/createdatachannelstub_fuzzer.cpp
index a92cbe68749952c2892ac9c10545a55b37d3e304..43bea080e0ab376d8051881aa6ae0225ebf731e9 100644
--- a/test/fuzztest/services/createdatachannelstub_fuzzer/createdatachannelstub_fuzzer.cpp
+++ b/test/fuzztest/services/createdatachannelstub_fuzzer/createdatachannelstub_fuzzer.cpp
@@ -79,28 +79,15 @@ size_t GetObject(T &object, const uint8_t *data, size_t size)
 bool OnRemoteRequestFuzzTest(const uint8_t *data, size_t size)
 {
     SetUpTestCase();
-    MessageParcel datas;
-    int32_t fd = 0;
-    GetObject<int32_t>(fd, data, size);
-    datas.WriteInterfaceToken(SENSOR_INTERFACE_TOKEN);
     if (g_remote == nullptr || g_service == nullptr) {
         return false;
     }
-    datas.WriteRemoteObject(g_remote);
-    datas.RewindRead(0);
-    MessageParcel reply;
-    MessageOption option;
-    g_service->OnRemoteRequest(static_cast<uint32_t>(ISensorServiceIpcCode::COMMAND_TRANSFER_DATA_CHANNEL),
-        datas, reply, option);
-    datas.RewindRead(0);
-    g_service->OnRemoteRequest(static_cast<uint32_t>(ISensorServiceIpcCode::COMMAND_DESTROY_SENSOR_CHANNEL),
-        datas, reply, option);
-    datas.RewindRead(0);
-    g_service->OnRemoteRequest(static_cast<uint32_t>(ISensorServiceIpcCode::COMMAND_CREATE_SOCKET_CHANNEL),
-        datas, reply, option);
-    datas.RewindRead(0);
-    g_service->OnRemoteRequest(static_cast<uint32_t>(ISensorServiceIpcCode::COMMAND_DESTROY_SOCKET_CHANNEL),
-        datas, reply, option);
+    int32_t clientFd = 0;
+    GetObject<int32_t>(clientFd, data, size);
+    g_service->CreateSocketChannel(g_remote, clientFd);
+    g_service->DestroySocketChannel(g_remote);
+    g_service->TransferDataChannel(clientFd, g_remote);
+    g_service->DestroySensorChannel(g_remote);
     return true;
 }
 } // namespace Sensors
diff --git a/test/fuzztest/services/getactiveinfoliststub_fuzzer/getactiveinfoliststub_fuzzer.cpp b/test/fuzztest/services/getactiveinfoliststub_fuzzer/getactiveinfoliststub_fuzzer.cpp
index 2ad06c2924005b25a1fedb29428db6c4665b195d..8cb7bac228ff67322771eb480480321d61f6134a 100644
--- a/test/fuzztest/services/getactiveinfoliststub_fuzzer/getactiveinfoliststub_fuzzer.cpp
+++ b/test/fuzztest/services/getactiveinfoliststub_fuzzer/getactiveinfoliststub_fuzzer.cpp
@@ -37,6 +37,20 @@ auto g_service = SensorDelayedSpSingleton<SensorService>::GetInstance();
 const std::u16string SENSOR_INTERFACE_TOKEN = u"ISensorService";
 } // namespace
 
+template<class T>
+size_t GetObject(T &object, const uint8_t *data, size_t size)
+{
+    size_t objectSize = sizeof(object);
+    if (objectSize > size) {
+        return 0;
+    }
+    errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
+    if (ret != EOK) {
+        return 0;
+    }
+    return objectSize;
+}
+
 void SetUpTestCase()
 {
     const char **perms = new (std::nothrow) const char *[2];
@@ -64,14 +78,15 @@ void SetUpTestCase()
 bool OnRemoteRequestFuzzTest(const uint8_t *data, size_t size)
 {
     SetUpTestCase();
-    MessageParcel datas;
-    datas.WriteInterfaceToken(SENSOR_INTERFACE_TOKEN);
-    datas.WriteBuffer(data, size);
-    datas.RewindRead(0);
-    MessageParcel reply;
-    MessageOption option;
-    g_service->OnRemoteRequest(static_cast<uint32_t>(ISensorServiceIpcCode::COMMAND_GET_ACTIVE_INFO_LIST),
-        datas, reply, option);
+    if (g_service == nullptr) {
+        return false;
+    }
+    std::vector<ActiveInfo> activeInfoList;
+    int32_t pid = 0;
+    GetObject<int32_t>(pid, data, size);
+    g_service->GetActiveInfoList(pid, activeInfoList);
+    g_service->EnableActiveInfoCB();
+    g_service->DisableActiveInfoCB();
     return true;
 }
 } // namespace Sensors
diff --git a/test/fuzztest/services/getallsensorsstub_fuzzer/getallsensorsstub_fuzzer.cpp b/test/fuzztest/services/getallsensorsstub_fuzzer/getallsensorsstub_fuzzer.cpp
index a80656817a41fa5c89973c21398345b5344a9ef1..9b1c351e1aea402bd20aad07a3b84510d4334361 100644
--- a/test/fuzztest/services/getallsensorsstub_fuzzer/getallsensorsstub_fuzzer.cpp
+++ b/test/fuzztest/services/getallsensorsstub_fuzzer/getallsensorsstub_fuzzer.cpp
@@ -37,6 +37,20 @@ auto g_service = SensorDelayedSpSingleton<SensorService>::GetInstance();
 const std::u16string SENSOR_INTERFACE_TOKEN = u"ISensorService";
 } // namespace
 
+template<class T>
+size_t GetObject(T &object, const uint8_t *data, size_t size)
+{
+    size_t objectSize = sizeof(object);
+    if (objectSize > size) {
+        return 0;
+    }
+    errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
+    if (ret != EOK) {
+        return 0;
+    }
+    return objectSize;
+}
+
 void SetUpTestCase()
 {
     const char **perms = new (std::nothrow) const char *[2];
@@ -64,14 +78,12 @@ void SetUpTestCase()
 bool OnRemoteRequestFuzzTest(const uint8_t *data, size_t size)
 {
     SetUpTestCase();
-    MessageParcel datas;
-    datas.WriteInterfaceToken(SENSOR_INTERFACE_TOKEN);
-    datas.WriteBuffer(data, size);
-    datas.RewindRead(0);
-    MessageParcel reply;
-    MessageOption option;
-    g_service->OnRemoteRequest(static_cast<uint32_t>(ISensorServiceIpcCode::COMMAND_GET_SENSOR_LIST),
-        datas, reply, option);
+    if (g_service == nullptr) {
+        return false;
+    }
+    std::vector<Sensor> sensorList;
+    GetObject<Sensor>(sensorList[0], data, size);
+    g_service->GetSensorList(sensorList);
     return true;
 }
 } // namespace Sensors
diff --git a/test/fuzztest/services/resumesensorsstub_fuzzer/resumesensorsstub_fuzzer.cpp b/test/fuzztest/services/resumesensorsstub_fuzzer/resumesensorsstub_fuzzer.cpp
index d598264155d3f709d4e14d900633b43edc883799..32ab0fd64dd993e5d5d7490c45193f42e70cb607 100644
--- a/test/fuzztest/services/resumesensorsstub_fuzzer/resumesensorsstub_fuzzer.cpp
+++ b/test/fuzztest/services/resumesensorsstub_fuzzer/resumesensorsstub_fuzzer.cpp
@@ -37,6 +37,20 @@ auto g_service = SensorDelayedSpSingleton<SensorService>::GetInstance();
 const std::u16string SENSOR_INTERFACE_TOKEN = u"ISensorService";
 } // namespace
 
+template<class T>
+size_t GetObject(T &object, const uint8_t *data, size_t size)
+{
+    size_t objectSize = sizeof(object);
+    if (objectSize > size) {
+        return 0;
+    }
+    errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
+    if (ret != EOK) {
+        return 0;
+    }
+    return objectSize;
+}
+
 void SetUpTestCase()
 {
     const char **perms = new (std::nothrow) const char *[2];
@@ -64,14 +78,12 @@ void SetUpTestCase()
 bool OnRemoteRequestFuzzTest(const uint8_t *data, size_t size)
 {
     SetUpTestCase();
-    MessageParcel datas;
-    datas.WriteInterfaceToken(SENSOR_INTERFACE_TOKEN);
-    datas.WriteBuffer(data, size);
-    datas.RewindRead(0);
-    MessageParcel reply;
-    MessageOption option;
-    g_service->OnRemoteRequest(static_cast<uint32_t>(ISensorServiceIpcCode::COMMAND_RESUME_SENSORS),
-        datas, reply, option);
+    if (g_service == nullptr) {
+        return false;
+    }
+    int32_t pid = 0;
+    GetObject<int32_t>(pid, data, size);
+    g_service->ResumeSensors(pid);
     return true;
 }
 } // namespace Sensors
diff --git a/test/fuzztest/services/sensordisablestub_fuzzer/sensordisablestub_fuzzer.cpp b/test/fuzztest/services/sensordisablestub_fuzzer/sensordisablestub_fuzzer.cpp
index be7aef29d4e65cc453690ab35349c0dfdac213d0..e3aee833be21110ab7fd5b03f11a72581ec3e5d8 100644
--- a/test/fuzztest/services/sensordisablestub_fuzzer/sensordisablestub_fuzzer.cpp
+++ b/test/fuzztest/services/sensordisablestub_fuzzer/sensordisablestub_fuzzer.cpp
@@ -78,16 +78,13 @@ void SetUpTestCase()
 bool OnRemoteRequestFuzzTest(const uint8_t *data, size_t size)
 {
     SetUpTestCase();
-    MessageParcel datas;
-    datas.WriteInterfaceToken(SENSOR_INTERFACE_TOKEN);
+    if (g_service == nullptr) {
+        return false;
+    }
+    g_service->DisableSensor(SENSOR_TYPE_ID_ACCELEROMETER);
     int32_t sensorId = 0;
     GetObject<int32_t>(sensorId, data, size);
-    datas.WriteInt32(sensorId);
-    datas.RewindRead(0);
-    MessageParcel reply;
-    MessageOption option;
-    g_service->OnRemoteRequest(static_cast<uint32_t>(ISensorServiceIpcCode::COMMAND_DISABLE_SENSOR),
-        datas, reply, option);
+    g_service->DisableSensor(sensorId);
     return true;
 }
 } // namespace Sensors
diff --git a/test/fuzztest/services/sensorenablestub_fuzzer/sensorenablestub_fuzzer.cpp b/test/fuzztest/services/sensorenablestub_fuzzer/sensorenablestub_fuzzer.cpp
index a714fd1dd284ad788854234453b3dcbd5aa4ff65..58da44efb21d07ca28005e92ceced0e9d6406c56 100644
--- a/test/fuzztest/services/sensorenablestub_fuzzer/sensorenablestub_fuzzer.cpp
+++ b/test/fuzztest/services/sensorenablestub_fuzzer/sensorenablestub_fuzzer.cpp
@@ -35,6 +35,8 @@ namespace {
 constexpr size_t U32_AT_SIZE = 4;
 auto g_service = SensorDelayedSpSingleton<SensorService>::GetInstance();
 const std::u16string SENSOR_INTERFACE_TOKEN = u"ISensorService";
+int64_t g_samplingPeriod = 100000000;
+int64_t g_maxReportDelay = 100000000;
 } // namespace
 
 template<class T>
@@ -78,23 +80,19 @@ void SetUpTestCase()
 bool OnRemoteRequestFuzzTest(const uint8_t *data, size_t size)
 {
     SetUpTestCase();
-    MessageParcel datas;
-    datas.WriteInterfaceToken(SENSOR_INTERFACE_TOKEN);
+    if (g_service == nullptr) {
+        return false;
+    }
+    g_service->EnableSensor(SENSOR_TYPE_ID_ACCELEROMETER, g_samplingPeriod, g_maxReportDelay);
+    g_service->ResetSensors();
     size_t startPos = 0;
     int32_t sensorId = 0;
     startPos += GetObject<int32_t>(sensorId, data + startPos, size - startPos);
-    datas.WriteInt32(sensorId);
     int64_t samplingPeriod = 0;
     startPos += GetObject<int64_t>(samplingPeriod, data + startPos, size - startPos);
-    datas.WriteInt64(samplingPeriod);
     int64_t maxReportDelay = 0;
     GetObject<int64_t>(maxReportDelay, data + startPos, size - startPos);
-    datas.WriteInt64(maxReportDelay);
-    datas.RewindRead(0);
-    MessageParcel reply;
-    MessageOption option;
-    g_service->OnRemoteRequest(static_cast<uint32_t>(ISensorServiceIpcCode::COMMAND_ENABLE_SENSOR),
-        datas, reply, option);
+    g_service->EnableSensor(sensorId, samplingPeriod, maxReportDelay);
     return true;
 }
 }  // namespace Sensors
diff --git a/test/fuzztest/services/suspendsensorsstub_fuzzer/suspendsensorsstub_fuzzer.cpp b/test/fuzztest/services/suspendsensorsstub_fuzzer/suspendsensorsstub_fuzzer.cpp
index a59873dda276ffa3132a7ee80e173f15f28407bf..3f5c276d80e2fd227eaeb0907867b54c67897c6c 100644
--- a/test/fuzztest/services/suspendsensorsstub_fuzzer/suspendsensorsstub_fuzzer.cpp
+++ b/test/fuzztest/services/suspendsensorsstub_fuzzer/suspendsensorsstub_fuzzer.cpp
@@ -37,6 +37,20 @@ auto g_service = SensorDelayedSpSingleton<SensorService>::GetInstance();
 const std::u16string SENSOR_INTERFACE_TOKEN = u"ISensorService";
 } // namespace
 
+template<class T>
+size_t GetObject(T &object, const uint8_t *data, size_t size)
+{
+    size_t objectSize = sizeof(object);
+    if (objectSize > size) {
+        return 0;
+    }
+    errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
+    if (ret != EOK) {
+        return 0;
+    }
+    return objectSize;
+}
+
 void SetUpTestCase()
 {
     const char **perms = new (std::nothrow) const char *[2];
@@ -64,14 +78,12 @@ void SetUpTestCase()
 bool OnRemoteRequestFuzzTest(const uint8_t *data, size_t size)
 {
     SetUpTestCase();
-    MessageParcel datas;
-    datas.WriteInterfaceToken(SENSOR_INTERFACE_TOKEN);
-    datas.WriteBuffer(data, size);
-    datas.RewindRead(0);
-    MessageParcel reply;
-    MessageOption option;
-    g_service->OnRemoteRequest(static_cast<uint32_t>(ISensorServiceIpcCode::COMMAND_SUSPEND_SENSORS),
-        datas, reply, option);
+    if (g_service == nullptr) {
+        return false;
+    }
+    int32_t pid = 0;
+    GetObject<int32_t>(pid, data, size);
+    g_service->SuspendSensors(pid);
     return true;
 }
 } // namespace Sensors