The airbag repair adopts imported special rubber combined with double-layer high-strength elastic fiber structure, which is extruded and vulcanized to maximize the friction between the airbag and the pipeline. The two ends of the airbag are fixed with metal structure panels and equipped with wheels with uniform angles to ensure stable passage of the airbag in the pipeline. It can be connected to CCTV for use. Suitable for cracks, leaks, misalignment, and partial corrosion of different pipelines. Suitable for pipes of various materials ranging from 200mm to 1200mm.