diff --git a/two-sum/HerrineKim.js b/two-sum/HerrineKim.js
new file mode 100644
index 000000000..595c2898b
--- /dev/null
+++ b/two-sum/HerrineKim.js
@@ -0,0 +1,22 @@
+// 시간 복잡도 : O(n)
+// 공간 복잡도 : O(n)
+
+/**
+ * @param {number[]} nums
+ * @param {number} target
+ * @return {number[]}
+ */
+var twoSum = function(nums, target) {
+  let numMap = new Map();
+  
+  for (let i = 0; i < nums.length; i++) {
+      let complement = target - nums[i];
+      
+      if (numMap.has(complement)) {
+          return [numMap.get(complement), i];
+      }
+      
+      numMap.set(nums[i], i);
+  }
+};
+