diff --git a/cpp2c.cpp b/cpp2c.cpp
index f783778..afb3d36 100644
--- a/cpp2c.cpp
+++ b/cpp2c.cpp
@@ -24,3 +24,16 @@ bool cpp2c::string2char(std::string inp, char*& out) {
     out = temp;
     return true;
 }
+
+bool cpp2c::string2char(std::wstring inp, wchar_t*& out) {
+    size_t le = inp.length();
+    wchar_t* temp = (wchar_t*)malloc((le + 1) * sizeof(wchar_t));
+    if (!temp) {
+        printf("Out of memory.\n");
+        return false;
+    }
+    memcpy(temp, inp.c_str(), le * sizeof(wchar_t));
+    temp[le] = 0;
+    out = temp;
+    return true;
+}
diff --git a/cpp2c.h b/cpp2c.h
index 5fe5817..0fdded7 100644
--- a/cpp2c.h
+++ b/cpp2c.h
@@ -2,6 +2,7 @@
 #define _UTILS_CPP2C_H
 
 #include <string>
+#include <wchar.h>
 
 namespace cpp2c {
     /**
@@ -11,6 +12,13 @@ namespace cpp2c {
      * @return true if succeeded.
     */
     bool string2char(std::string inp, char*& out);
+    /**
+     * @brief Convert wstring to wchar_t*
+     * @param inp Input string
+     * @param out The pointer to output buffer. Need free memory by using free.
+     * @return true if succeeded.
+    */
+    bool string2char(std::wstring inp, wchar_t*& out);
 }
 
 #endif