diff --git a/BUILD.gn b/BUILD.gn
index 4ba2c2ff65ce0a2a5b258b97952027a0478bad5b..045d69ee82753b8922f8589cac761c3e2cef4f72 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -307,6 +307,24 @@ config("public") {
   }
 }
 
+sysroot_path = rebase_path(ohos_current_sysroot)
+config("sysroot_flags") {
+  if (ohos_build_compiler == "clang") {
+    cflags = [
+      "--target=$target_triple",
+      "--sysroot=$sysroot_path",
+    ]
+  } else {
+    cflags = [
+      "--sysroot=$sysroot_path",
+      "-specs=musl-gcc.specs",
+    ]
+  }
+  cflags_cc = cflags
+  ldflags = cflags
+  asmflags = cflags
+}
+
 group("modules") {
   deps = [
     "arch",
@@ -363,7 +381,10 @@ executable("liteos") {
   configs = []  # clear default configs
   configs += [ ":arch_config" ]
   configs += [ ":public" ]
-
+  if (is_lite_system && current_os == "ohos" && !is_mini_system &&
+      !ohos_kernel_is_prebuilt) {
+    configs += [ ":sysroot_flags" ]
+  }
   ldflags = [
     "-static",
     "-nostdlib",
diff --git a/liteos.gni b/liteos.gni
index 6deef9944b254ecba4435868f7bd526a61bad1cd..f5142627615462bc518f6fa0c3154540c8f9246b 100644
--- a/liteos.gni
+++ b/liteos.gni
@@ -90,6 +90,7 @@ template("kernel_module") {
   } else {
     source_set(target_name) {
       public_configs = []
+      configs = []
       forward_variables_from(invoker, "*")
       if (has_public_config) {
         included_public_config = false
@@ -103,6 +104,10 @@ template("kernel_module") {
           public_configs += [ ":public" ]
         }
       }
+      if (is_lite_system && current_os == "ohos" && !is_mini_system &&
+          !ohos_kernel_is_prebuilt) {
+        configs += [ "$LITEOSTOPDIR:sysroot_flags" ]
+      }
     }
   }
   not_needed([ "auto_config" ])