diff --git a/problems/reverse-string/reverse-string.js b/problems/reverse-string/reverse-string.js
new file mode 100644
index 00000000..a580e6d3
--- /dev/null
+++ b/problems/reverse-string/reverse-string.js
@@ -0,0 +1,9 @@
+const reverse_string = (word) => {
+  if (typeof word === 'string') {
+    return word.split("").reverse().join("")
+  } else {
+    return "Must String!"
+  }
+}
+
+reverse_string("Hello World")
\ No newline at end of file