diff --git a/interfaces/kits/js/src/mod_fs/class_stat/stat_n_exporter.cpp b/interfaces/kits/js/src/mod_fs/class_stat/stat_n_exporter.cpp
index deba81feed82a59427b69ff0fa53a663cf0f6989..6752bbf33c8a7d3fb7110e916be19baf44438622 100644
--- a/interfaces/kits/js/src/mod_fs/class_stat/stat_n_exporter.cpp
+++ b/interfaces/kits/js/src/mod_fs/class_stat/stat_n_exporter.cpp
@@ -229,6 +229,66 @@ napi_value StatNExporter::GetCtime(napi_env env, napi_callback_info info)
     return NVal::CreateInt64(env, static_cast<int64_t>(statEntity->stat_.st_ctim.tv_sec)).val_;
 }
 
+napi_value StatNExporter::GetAtimeNs(napi_env env, napi_callback_info info)
+{
+    NFuncArg funcArg(env, info);
+    if (!funcArg.InitArgs(NARG_CNT::ZERO)) {
+        HILOGE("Number of arguments unmatched");
+        NError(EINVAL).ThrowErr(env);
+        return nullptr;
+    }
+
+    auto statEntity = NClass::GetEntityOf<StatEntity>(env, funcArg.GetThisVar());
+    if (!statEntity) {
+        HILOGE("Failed to get stat entity");
+        return nullptr;
+    }
+
+    return NVal::CreateBigIntUint64(env, static_cast<uint64_t>
+        (statEntity->stat_.st_atim.tv_sec * SECOND_TO_NANOSECOND +
+         statEntity->stat_.st_atim.tv_nsec)).val_;
+}
+
+napi_value StatNExporter::GetMtimeNs(napi_env env, napi_callback_info info)
+{
+    NFuncArg funcArg(env, info);
+    if (!funcArg.InitArgs(NARG_CNT::ZERO)) {
+        HILOGE("Number of arguments unmatched");
+        NError(EINVAL).ThrowErr(env);
+        return nullptr;
+    }
+
+    auto statEntity = NClass::GetEntityOf<StatEntity>(env, funcArg.GetThisVar());
+    if (!statEntity) {
+        HILOGE("Failed to get stat entity");
+        return nullptr;
+    }
+
+    return NVal::CreateBigIntUint64(env, static_cast<uint64_t>
+        (statEntity->stat_.st_mtim.tv_sec * SECOND_TO_NANOSECOND +
+         statEntity->stat_.st_mtim.tv_nsec)).val_;
+}
+
+napi_value StatNExporter::GetCtimeNs(napi_env env, napi_callback_info info)
+{
+    NFuncArg funcArg(env, info);
+    if (!funcArg.InitArgs(NARG_CNT::ZERO)) {
+        HILOGE("Number of arguments unmatched");
+        NError(EINVAL).ThrowErr(env);
+        return nullptr;
+    }
+
+    auto statEntity = NClass::GetEntityOf<StatEntity>(env, funcArg.GetThisVar());
+    if (!statEntity) {
+        HILOGE("Failed to get stat entity");
+        return nullptr;
+    }
+
+    return NVal::CreateBigIntUint64(env, static_cast<uint64_t>
+        (statEntity->stat_.st_ctim.tv_sec * SECOND_TO_NANOSECOND +
+         statEntity->stat_.st_ctim.tv_nsec)).val_;
+}
+
 #if !defined(WIN_PLATFORM) && !defined(IOS_PLATFORM)
 napi_value StatNExporter::GetLocation(napi_env env, napi_callback_info info)
 {
@@ -316,6 +376,9 @@ bool StatNExporter::Export()
         NVal::DeclareNapiGetter("atime", GetAtime),
         NVal::DeclareNapiGetter("mtime", GetMtime),
         NVal::DeclareNapiGetter("ctime", GetCtime),
+        NVal::DeclareNapiGetter("atimeNs", GetAtimeNs),
+        NVal::DeclareNapiGetter("mtimeNs", GetMtimeNs),
+        NVal::DeclareNapiGetter("ctimeNs", GetCtimeNs),
 #if !defined(WIN_PLATFORM) && !defined(IOS_PLATFORM)
         NVal::DeclareNapiGetter("location", GetLocation),
 #endif
diff --git a/interfaces/kits/js/src/mod_fs/class_stat/stat_n_exporter.h b/interfaces/kits/js/src/mod_fs/class_stat/stat_n_exporter.h
index 9374d57847addd809a58b8c1883b4026c91a26fa..edb5bbfed5e35e70bbbb1938c0f3dfa11c3ec171 100644
--- a/interfaces/kits/js/src/mod_fs/class_stat/stat_n_exporter.h
+++ b/interfaces/kits/js/src/mod_fs/class_stat/stat_n_exporter.h
@@ -21,6 +21,7 @@
 namespace OHOS::FileManagement::ModuleFileIO {
 using namespace OHOS::FileManagement::LibN;
 
+const int64_t SECOND_TO_NANOSECOND = 1e9;
 constexpr int S_PERMISSION = 00000777;
 #if !defined(WIN_PLATFORM) && !defined(IOS_PLATFORM)
 const size_t MAX_ATTR_NAME = 64;
@@ -56,6 +57,9 @@ public:
     static napi_value GetAtime(napi_env env, napi_callback_info info);
     static napi_value GetMtime(napi_env env, napi_callback_info info);
     static napi_value GetCtime(napi_env env, napi_callback_info info);
+    static napi_value GetAtimeNs(napi_env env, napi_callback_info info);
+    static napi_value GetMtimeNs(napi_env env, napi_callback_info info);
+    static napi_value GetCtimeNs(napi_env env, napi_callback_info info);
 #if !defined(WIN_PLATFORM) && !defined(IOS_PLATFORM)
     static napi_value GetLocation(napi_env env, napi_callback_info info);
 #endif
diff --git a/utils/filemgmt_libn/include/n_val.h b/utils/filemgmt_libn/include/n_val.h
index dd1ccade182b7b2397ece37dfac2ddff71a5cf71..bc71f95367d39ec90d54bbd66ef257d5ee1a9753 100644
--- a/utils/filemgmt_libn/include/n_val.h
+++ b/utils/filemgmt_libn/include/n_val.h
@@ -64,6 +64,7 @@ public:
     /* Static helpers to create js objects */
     static NVal CreateUndefined(napi_env env);
     static NVal CreateBigInt64(napi_env env, int64_t val);
+    static NVal CreateBigIntUint64(napi_env env, uint64_t val);
     static NVal CreateInt64(napi_env env, int64_t val);
     static NVal CreateInt32(napi_env env, int32_t val);
     static NVal CreateUint32(napi_env env, int32_t val);
diff --git a/utils/filemgmt_libn/src/n_val.cpp b/utils/filemgmt_libn/src/n_val.cpp
index fbaa2cba0c6e876fb7dec528d98e514ccd46fce8..92932a75b9a445066c361bcd3d0bc8acf0757705 100644
--- a/utils/filemgmt_libn/src/n_val.cpp
+++ b/utils/filemgmt_libn/src/n_val.cpp
@@ -315,6 +315,13 @@ NVal NVal::CreateBigInt64(napi_env env, int64_t val)
     return { env, res };
 }
 
+NVal NVal::CreateBigIntUint64(napi_env env, uint64_t val)
+{
+    napi_value res = nullptr;
+    napi_create_bigint_uint64(env, val, &res);
+    return { env, res };
+}
+
 NVal NVal::CreateInt64(napi_env env, int64_t val)
 {
     napi_value res = nullptr;