The punching pliers are used to match with inclined shaft drilling rigs to punch the threads of pipe strings. The overall punching pliers consists of punching main pliers, punching back pliers, lifting brackets, traveling brackets, fixed brackets and control consoles. The main tong and back tong rotate relatively with the help of the thrust of the oil cylinder to complete the punching operation of the pipe string. The main tongs and back tongs in the lifting bracket can move up and down in the moving bracket to facilitate alignment of the drill pipe joints. The moving bracket can advance and retreat relative to the fixed bracket, realizing the extension and retraction of the pliers body after working. The console remotely controls the clamp body. The lifting and retreating of the clamp body are completed by closed lubricated rollers rolling along the track. Fixed brackets are mounted on the rig derrick. The string screwing is undertaken by the top drive of the drilling rig.