An impingement sprinkler includes a main frame, a sprinkling device laterally pivotally mounted onto the main frame, an impinging device rotatably mounted on the sprinkling device, a reversing device disposed on the sprinkling device and a limit device is mounted to a lower portion of the main frame, wherein the limit device is operated with reversing device to limit the horizontally rotary angle and accurately control the irrigating area of the impingement sprinkler