diff --git a/state_manager/test/fuzztest/BUILD.gn b/state_manager/test/fuzztest/BUILD.gn
index 8b9a74ceca93896ae94ddfc9ffdad293ea91569e..836c737a6bb893fef26c13f76e4846a08ffb25c5 100644
--- a/state_manager/test/fuzztest/BUILD.gn
+++ b/state_manager/test/fuzztest/BUILD.gn
@@ -32,5 +32,7 @@ group("fuzztest") {
     "registercallback_fuzzer:RegisterCallbackFuzzTest",
     "setbrightness_fuzzer:SetBrightnessFuzzTest",
     "setcoordinated_fuzzer:SetCoordinatedFuzzTest",
+    "setlightbrightnessthreshold_fuzzer:SetLightBrightnessThresholdFuzzTest",
+    "setmaxbrightness_fuzzer:SetMaxBrightnessFuzzTest",
   ]
 }
diff --git a/state_manager/test/fuzztest/setlightbrightnessthreshold_fuzzer/BUILD.gn b/state_manager/test/fuzztest/setlightbrightnessthreshold_fuzzer/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..b50529657a35bccaaebbee6f0222b71f55723d38
--- /dev/null
+++ b/state_manager/test/fuzztest/setlightbrightnessthreshold_fuzzer/BUILD.gn
@@ -0,0 +1,86 @@
+# 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/test.gni")
+import("../../../../displaymgr.gni")
+
+module_output_path = "display_manager/display_state_manager"
+
+##############################fuzztest##########################################
+ohos_fuzztest("SetLightBrightnessThresholdFuzzTest") {
+  module_out_path = module_output_path
+  fuzz_config_file =
+      "${displaymgr_root_path}/test/fuzztest/setlightbrightnessthreshold_fuzzer"
+
+  include_dirs = [
+    "./",
+    "${displaymgr_root_path}/service/native/include",
+    "${displaymgr_root_path}/service/zidl/include",
+    "${displaymgr_inner_api}/native/include",
+    "../display_utils",
+  ]
+
+  configs = [
+    "${displaymgr_utils_path}:utils_config",
+    "${displaymgr_utils_path}:coverage_flags",
+    "${brightnessmgr_root_path}:brightness_manager_config",
+  ]
+
+  deps = [ "${brightnessmgr_root_path}:brightness_manager" ]
+
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [
+    "${displaymgr_root_path}/service/native/src/display_auto_brightness.cpp",
+    "${displaymgr_root_path}/service/native/src/display_param_helper.cpp",
+    "${displaymgr_root_path}/service/native/src/display_power_mgr_service.cpp",
+    "${displaymgr_root_path}/service/native/src/display_setting_helper.cpp",
+    "${displaymgr_root_path}/service/native/src/display_system_ability.cpp",
+    "${displaymgr_root_path}/service/native/src/gradual_animator.cpp",
+    "${displaymgr_root_path}/service/native/src/screen_action.cpp",
+    "${displaymgr_root_path}/service/native/src/screen_controller.cpp",
+    "${displaymgr_root_path}/service/zidl/src/display_power_callback_proxy.cpp",
+    "${displaymgr_root_path}/service/zidl/src/display_power_mgr_stub.cpp",
+    "../display_utils/display_fuzzer.cpp",
+    "./setlightbrightnessthreshold_fuzzer_test.cpp",
+  ]
+
+  external_deps = [ "power_manager:power_permission" ]
+  external_deps += [
+    "ability_runtime:ability_manager",
+    "c_utils:utils",
+    "data_share:datashare_consumer",
+    "display_manager:displaymgr",
+    "eventhandler:libeventhandler",
+    "ffrt:libffrt",
+    "hicollie:libhicollie",
+    "hilog:libhilog",
+    "hisysevent:libhisysevent",
+    "image_framework:image_native",
+    "ipc:ipc_core",
+    "power_manager:power_ffrt",
+    "power_manager:power_setting",
+    "power_manager:power_sysparam",
+    "power_manager:powermgr_client",
+    "safwk:system_ability_fwk",
+    "window_manager:libdm",
+  ]
+
+  if (has_sensors_sensor_part) {
+    external_deps += [ "sensor:sensor_interface_native" ]
+  }
+}
diff --git a/state_manager/test/fuzztest/setlightbrightnessthreshold_fuzzer/corpus/init b/state_manager/test/fuzztest/setlightbrightnessthreshold_fuzzer/corpus/init
new file mode 100644
index 0000000000000000000000000000000000000000..e7c3fecd8d4d4816e40088113a2316bb9eb2e13f
--- /dev/null
+++ b/state_manager/test/fuzztest/setlightbrightnessthreshold_fuzzer/corpus/init
@@ -0,0 +1,14 @@
+# 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.
+
+FUZZ
\ No newline at end of file
diff --git a/state_manager/test/fuzztest/setlightbrightnessthreshold_fuzzer/project.xml b/state_manager/test/fuzztest/setlightbrightnessthreshold_fuzzer/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..1244d8de8de2491c405021e29d3ff754b865f963
--- /dev/null
+++ b/state_manager/test/fuzztest/setlightbrightnessthreshold_fuzzer/project.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+<fuzz_config>
+  <fuzztest>
+    <!-- maximum length of a test input -->
+    <max_len>1000</max_len>
+    <!-- maximum total time in seconds to run the fuzzer -->
+    <max_total_time>180</max_total_time>
+    <!-- memory usage limit in Mb -->
+    <rss_limit_mb>4096</rss_limit_mb>
+  </fuzztest>
+</fuzz_config>
diff --git a/state_manager/test/fuzztest/setlightbrightnessthreshold_fuzzer/setlightbrightnessthreshold_fuzzer_test.cpp b/state_manager/test/fuzztest/setlightbrightnessthreshold_fuzzer/setlightbrightnessthreshold_fuzzer_test.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..2e87c7c4af6f244948967602f195b155fe8ba48a
--- /dev/null
+++ b/state_manager/test/fuzztest/setlightbrightnessthreshold_fuzzer/setlightbrightnessthreshold_fuzzer_test.cpp
@@ -0,0 +1,38 @@
+/*
+ * 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.
+ */
+
+/* This files contains faultlog fuzzer test modules. */
+
+#define FUZZ_PROJECT_NAME "setlightbrightnessthreshold_fuzzer"
+
+#include "display_fuzzer.h"
+#include "display_power_mgr_ipc_interface_code.h"
+
+using namespace OHOS::PowerMgr;
+
+namespace {
+}
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    DisplayFuzzerTest g_serviceTest;
+    g_serviceTest.TestDisplayServiceStub(
+        static_cast<uint32_t>(DisplayPowerMgrInterfaceCode::SET_MAX_BRIGHTNESS), data, size);
+    g_serviceTest.TestDisplayServiceStub(
+        static_cast<uint32_t>(DisplayPowerMgrInterfaceCode::SET_MAX_BRIGHTNESS_NIT), data, size);
+    return 0;
+}
diff --git a/state_manager/test/fuzztest/setmaxbrightness_fuzzer/BUILD.gn b/state_manager/test/fuzztest/setmaxbrightness_fuzzer/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..37a0134bdb92d45e26ffa45af11a73b2177d3e88
--- /dev/null
+++ b/state_manager/test/fuzztest/setmaxbrightness_fuzzer/BUILD.gn
@@ -0,0 +1,86 @@
+# 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/test.gni")
+import("../../../../displaymgr.gni")
+
+module_output_path = "display_manager/display_state_manager"
+
+##############################fuzztest##########################################
+ohos_fuzztest("SetMaxBrightnessFuzzTest") {
+  module_out_path = module_output_path
+  fuzz_config_file =
+      "${displaymgr_root_path}/test/fuzztest/setmaxbrightness_fuzzer"
+
+  include_dirs = [
+    "./",
+    "${displaymgr_root_path}/service/native/include",
+    "${displaymgr_root_path}/service/zidl/include",
+    "${displaymgr_inner_api}/native/include",
+    "../display_utils",
+  ]
+
+  configs = [
+    "${displaymgr_utils_path}:utils_config",
+    "${displaymgr_utils_path}:coverage_flags",
+    "${brightnessmgr_root_path}:brightness_manager_config",
+  ]
+
+  deps = [ "${brightnessmgr_root_path}:brightness_manager" ]
+
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [
+    "${displaymgr_root_path}/service/native/src/display_auto_brightness.cpp",
+    "${displaymgr_root_path}/service/native/src/display_param_helper.cpp",
+    "${displaymgr_root_path}/service/native/src/display_power_mgr_service.cpp",
+    "${displaymgr_root_path}/service/native/src/display_setting_helper.cpp",
+    "${displaymgr_root_path}/service/native/src/display_system_ability.cpp",
+    "${displaymgr_root_path}/service/native/src/gradual_animator.cpp",
+    "${displaymgr_root_path}/service/native/src/screen_action.cpp",
+    "${displaymgr_root_path}/service/native/src/screen_controller.cpp",
+    "${displaymgr_root_path}/service/zidl/src/display_power_callback_proxy.cpp",
+    "${displaymgr_root_path}/service/zidl/src/display_power_mgr_stub.cpp",
+    "../display_utils/display_fuzzer.cpp",
+    "./setmaxbrightness_fuzzer_test.cpp",
+  ]
+
+  external_deps = [ "power_manager:power_permission" ]
+  external_deps += [
+    "ability_runtime:ability_manager",
+    "c_utils:utils",
+    "data_share:datashare_consumer",
+    "display_manager:displaymgr",
+    "eventhandler:libeventhandler",
+    "ffrt:libffrt",
+    "hicollie:libhicollie",
+    "hilog:libhilog",
+    "hisysevent:libhisysevent",
+    "image_framework:image_native",
+    "ipc:ipc_core",
+    "power_manager:power_ffrt",
+    "power_manager:power_setting",
+    "power_manager:power_sysparam",
+    "power_manager:powermgr_client",
+    "safwk:system_ability_fwk",
+    "window_manager:libdm",
+  ]
+
+  if (has_sensors_sensor_part) {
+    external_deps += [ "sensor:sensor_interface_native" ]
+  }
+}
diff --git a/state_manager/test/fuzztest/setmaxbrightness_fuzzer/corpus/init b/state_manager/test/fuzztest/setmaxbrightness_fuzzer/corpus/init
new file mode 100644
index 0000000000000000000000000000000000000000..e7c3fecd8d4d4816e40088113a2316bb9eb2e13f
--- /dev/null
+++ b/state_manager/test/fuzztest/setmaxbrightness_fuzzer/corpus/init
@@ -0,0 +1,14 @@
+# 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.
+
+FUZZ
\ No newline at end of file
diff --git a/state_manager/test/fuzztest/setmaxbrightness_fuzzer/project.xml b/state_manager/test/fuzztest/setmaxbrightness_fuzzer/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..1244d8de8de2491c405021e29d3ff754b865f963
--- /dev/null
+++ b/state_manager/test/fuzztest/setmaxbrightness_fuzzer/project.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+<fuzz_config>
+  <fuzztest>
+    <!-- maximum length of a test input -->
+    <max_len>1000</max_len>
+    <!-- maximum total time in seconds to run the fuzzer -->
+    <max_total_time>180</max_total_time>
+    <!-- memory usage limit in Mb -->
+    <rss_limit_mb>4096</rss_limit_mb>
+  </fuzztest>
+</fuzz_config>
diff --git a/state_manager/test/fuzztest/setmaxbrightness_fuzzer/setmaxbrightness_fuzzer_test.cpp b/state_manager/test/fuzztest/setmaxbrightness_fuzzer/setmaxbrightness_fuzzer_test.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..71c70c465c19ed880967358a6c82513fb7bda310
--- /dev/null
+++ b/state_manager/test/fuzztest/setmaxbrightness_fuzzer/setmaxbrightness_fuzzer_test.cpp
@@ -0,0 +1,36 @@
+/*
+ * 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.
+ */
+
+/* This files contains faultlog fuzzer test modules. */
+
+#define FUZZ_PROJECT_NAME "setmaxbrightness_fuzzer"
+
+#include "display_fuzzer.h"
+#include "display_power_mgr_ipc_interface_code.h"
+
+using namespace OHOS::PowerMgr;
+
+namespace {
+}
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    DisplayFuzzerTest g_serviceTest;
+    g_serviceTest.TestDisplayServiceStub(
+        static_cast<uint32_t>(DisplayPowerMgrInterfaceCode::SET_APS_LIGHT_AND_BRIGHTNESS_THRESOLD), data, size);
+    return 0;
+}