diff --git a/base/test/fuzztest/BUILD.gn b/base/test/fuzztest/BUILD.gn
index 61243ac948c902c7337294755121eddbd931b952..dcca95f7f4ba46553bdc18bd6141cb5c4d57df10 100644
--- a/base/test/fuzztest/BUILD.gn
+++ b/base/test/fuzztest/BUILD.gn
@@ -18,6 +18,7 @@ group("fuzztest") {
   deps = []
   deps += [
     # deps file
+    "directory_fuzzer:DirectoryFuzzTest",
     "parcel_fuzzer:ParcelFuzzTest",
     "refbase_fuzzer:RefbaseFuzzTest",
     "timer_fuzzer:TimerFuzzTest",
diff --git a/base/test/fuzztest/directory_fuzzer/BUILD.gn b/base/test/fuzztest/directory_fuzzer/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..1486ab99fa0ae9d7608ee9573f8669896d539ad2
--- /dev/null
+++ b/base/test/fuzztest/directory_fuzzer/BUILD.gn
@@ -0,0 +1,33 @@
+# Copyright (c) 2023 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")
+
+##############################fuzztest##########################################
+ohos_fuzztest("DirectoryFuzzTest") {
+  module_out_path = "c_utils/c_utils"
+  fuzz_config_file = "."
+  include_dirs = [ "../" ]
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  defines = [ "DEBUG_FUZZ" ]
+  external_deps = [
+    "c_utils:utils",
+    "hilog:libhilog_base",
+  ]
+  sources = [ "directory_fuzzer.cpp" ]
+}
+###############################################################################
diff --git a/base/test/fuzztest/directory_fuzzer/corpus/init b/base/test/fuzztest/directory_fuzzer/corpus/init
new file mode 100644
index 0000000000000000000000000000000000000000..e4ceac1bcd4e3b3427eb63cea0c28304064333cc
--- /dev/null
+++ b/base/test/fuzztest/directory_fuzzer/corpus/init
@@ -0,0 +1,14 @@
+# Copyright (c) 2023 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/base/test/fuzztest/directory_fuzzer/directory_fuzzer.cpp b/base/test/fuzztest/directory_fuzzer/directory_fuzzer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c478422236333c81ee6ea627d9a2fe062fd2f5dd
--- /dev/null
+++ b/base/test/fuzztest/directory_fuzzer/directory_fuzzer.cpp
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2023 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.
+ */
+
+#include "directory_fuzzer.h"
+
+#include "fuzz_log.h"
+#include "fuzzer/FuzzedDataProvider.h"
+#include "directory_ex.h"
+#include <fstream>
+
+using namespace std;
+
+namespace OHOS {
+const uint8_t MAX_DIR_LENGTH = 15;
+
+void DirectoryTestFunc(const uint8_t* data, size_t size, FuzzedDataProvider* dataProvider)
+{
+    FUZZ_LOGI("DirectoryTestFunc start");
+    GetCurrentProcPath();
+
+    string testDir = "/data/test_dir/";
+    ForceCreateDirectory(testDir);
+
+    string dirs[6] = {
+        "/data/test_dir/level1_1",
+        "/data/test_dir/level1_2",
+        "/data/test_dir/level1_2/level2_1",
+        "/data/test_dir/level1_2/level2_2",
+        "/data/test_dir/level1_2/level2_2/level3_1",
+        "/data/test_dir/level1_3",
+    };
+
+    string resultfiles[9] = {
+        "/data/test_dir/level1_1/test_file",
+        "/data/test_dir/level1_2/level2_2/level3_1/test_file_1",
+        "/data/test_dir/level1_2/level2_2/level3_1/test_file_2",
+        "/data/test_dir/level1_2/level2_2/test_file_1",
+        "/data/test_dir/level1_2/level2_2/test_file_2",
+        "/data/test_dir/level1_2/level2_2/test_file_3",
+        "/data/test_dir/level1_2/level2_2/test_file_4",
+        "/data/test_dir/level1_2/test_file",
+        "/data/test_dir/level1_3/test_file",
+    };
+
+    for (auto &path : dirs) {
+        ForceCreateDirectory(path);
+    }
+
+    for (auto &filepath : resultfiles) {
+        ofstream(filepath, fstream::out);
+    }
+
+    string dirName = dataProvider->ConsumeRandomLengthString(MAX_DIR_LENGTH);
+    string dirPath = testDir + dirName;
+    ForceCreateDirectory(dirPath);
+
+    string realPath1;
+    string realPath2;
+    string overLongePath = testDir + dataProvider->ConsumeRandomLengthString(PATH_MAX);
+    PathToRealPath(overLongePath, realPath1);
+    PathToRealPath(dirPath, realPath2);
+
+    string fileName = dataProvider->ConsumeRandomLengthString(MAX_DIR_LENGTH);
+    ExtractFileExt(fileName);
+
+    string fileFullPath = testDir + fileName;
+    mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
+    ChangeModeFile(fileFullPath, mode);
+
+    IsEmptyFolder(testDir);
+    ForceRemoveDirectory(testDir);
+
+    FUZZ_LOGI("DirectoryTestFunc end");
+}
+
+} // namespace OHOS
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    FuzzedDataProvider dataProvider(data, size);
+    OHOS::DirectoryTestFunc(data, size, &dataProvider);
+    return 0;
+}
diff --git a/base/test/fuzztest/directory_fuzzer/directory_fuzzer.h b/base/test/fuzztest/directory_fuzzer/directory_fuzzer.h
new file mode 100644
index 0000000000000000000000000000000000000000..5fd95e0a5d695d6422054fd2abfb5acdf6baba81
--- /dev/null
+++ b/base/test/fuzztest/directory_fuzzer/directory_fuzzer.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2023 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.
+ */
+
+#ifndef DIRECTORY_FUZZER_H
+#define DIRECTORY_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "directory_fuzzer"
+
+#endif // DIRECTORY_FUZZER_H
diff --git a/base/test/fuzztest/directory_fuzzer/project.xml b/base/test/fuzztest/directory_fuzzer/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..9b0a87e51ab3e28c253b9d33a726e98f6a9465a8
--- /dev/null
+++ b/base/test/fuzztest/directory_fuzzer/project.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2023 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>10000</max_len>
+    <!-- maximum total time in seconds to run the fuzzer -->
+    <max_total_time>300</max_total_time>
+    <!-- memory usage limit in Mb -->
+    <rss_limit_mb>4096</rss_limit_mb>
+  </fuzztest>
+</fuzz_config>