diff --git a/components/libc/compilers/armlibc/termios.h b/components/libc/compilers/armlibc/termios.h
index 1956121225..ee2b4d5718 100644
--- a/components/libc/compilers/armlibc/termios.h
+++ b/components/libc/compilers/armlibc/termios.h
@@ -9,7 +9,9 @@
 #ifndef _TERMIOS_H__
 #define _TERMIOS_H__
 
+#ifdef RT_USING_POSIX_TERMIOS
 #include <sys/types.h>
 #include <posix_termios.h>
+#endif
 
 #endif
diff --git a/components/libc/compilers/dlib/termios.h b/components/libc/compilers/dlib/termios.h
index 1956121225..ee2b4d5718 100644
--- a/components/libc/compilers/dlib/termios.h
+++ b/components/libc/compilers/dlib/termios.h
@@ -9,7 +9,9 @@
 #ifndef _TERMIOS_H__
 #define _TERMIOS_H__
 
+#ifdef RT_USING_POSIX_TERMIOS
 #include <sys/types.h>
 #include <posix_termios.h>
+#endif
 
 #endif
diff --git a/components/libc/compilers/newlib/termios.h b/components/libc/compilers/newlib/termios.h
index 1956121225..ee2b4d5718 100644
--- a/components/libc/compilers/newlib/termios.h
+++ b/components/libc/compilers/newlib/termios.h
@@ -9,7 +9,9 @@
 #ifndef _TERMIOS_H__
 #define _TERMIOS_H__
 
+#ifdef RT_USING_POSIX_TERMIOS
 #include <sys/types.h>
 #include <posix_termios.h>
+#endif
 
 #endif