The Half Section is a pipe plugging device. The Hough section and the socket Hough section are pipeline repair devices. The socket Hough section is a device for repairing water leakage at the socket between the two pipes. The Huff section is for repairing parts other than the socket. The device has a simple structure and is composed of only two bodies and two rubber pads, and is easy to install. The pipeline can be repaired by only aligning the two bodies at the leaking point and tightening the nut. The device can save the time of water shutdown. , Which can reduce the cost of emergency repair.