diff --git a/README.md b/README.md
index 6571b35..2f38b75 100644
--- a/README.md
+++ b/README.md
@@ -62,6 +62,7 @@ LeetCode solutions with Chinese explanation. LeetCode中文题解。
 | 74 |[Search a 2D Matrix](https://leetcode.com/problems/search-a-2d-matrix/)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/74.%20Search%20a%202D%20Matrix.md)|Medium|  |
 | 75 |[Sort Colors](https://leetcode.com/problems/sort-colors/)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/75.%20Sort%20Colors.md)|Medium|  |
 | 77 |[Combinations](https://leetcode.com/problems/combinations/)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/77.%20Combinations.md)|Medium|  |
+| 78 |[Subsets](https://leetcode.com/problems/subsets/)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/78.%20Subsets.md)|Medium|  |
 | 83 |[Remove Duplicates from Sorted List](https://leetcode.com/problems/remove-duplicates-from-sorted-list)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/83.%20Remove%20Duplicates%20from%20Sorted%20List.md)|Easy|  |
 | 88 |[Merge Sorted Array](https://leetcode.com/problems/merge-sorted-array)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/88.%20Merge%20Sorted%20Array.md)|Easy|  |
 | 100 |[Same Tree](https://leetcode.com/problems/same-tree)|[C++](https://github.com/ShusenTang/LeetCode/blob/master/solutions/100.%20Same%20Tree.md)|Easy|  |