diff --git a/src/main/java/leetcode/editor/cn/BitwiseAndOfNumbersRange.java b/src/main/java/leetcode/editor/cn/BitwiseAndOfNumbersRange.java
new file mode 100644
index 0000000..3714f43
--- /dev/null
+++ b/src/main/java/leetcode/editor/cn/BitwiseAndOfNumbersRange.java
@@ -0,0 +1,60 @@
+//给你两个整数 left 和 right ，表示区间 [left, right] ，返回此区间内所有数字 按位与 的结果（包含 left 、right 端点）
+//。 
+//
+// 
+//
+// 示例 1： 
+//
+// 
+//输入：left = 5, right = 7
+//输出：4
+// 
+//
+// 示例 2： 
+//
+// 
+//输入：left = 0, right = 0
+//输出：0
+// 
+//
+// 示例 3： 
+//
+// 
+//输入：left = 1, right = 2147483647
+//输出：0
+// 
+//
+// 
+//
+// 提示： 
+//
+// 
+// 0 <= left <= right <= 2³¹ - 1 
+// 
+// Related Topics 位运算 👍 309 👎 0
+
+package leetcode.editor.cn;
+
+//201:数字范围按位与
+class BitwiseAndOfNumbersRange {
+    public static void main(String[] args) {
+        //测试代码
+        Solution solution = new BitwiseAndOfNumbersRange().new Solution();
+    }
+
+    //力扣代码
+    //leetcode submit region begin(Prohibit modification and deletion)
+    class Solution {
+        public int rangeBitwiseAnd(int left, int right) {
+            int mov = 0;
+            while (left < right) {
+                left >>= 1;
+                right >>= 1;
+                mov++;
+            }
+            return left << mov;
+        }
+    }
+//leetcode submit region end(Prohibit modification and deletion)
+
+}
\ No newline at end of file