In pipe pile structure, end plate is steel part at both ends of pipe pile structure, which plays a role in fixing pre-stressed main reinforcement. The main effect of end plate in pipe pile structure is to play a fixing role for exerted pre-stressed main reinforcement. End plate is the main component in pipe pile production. The effect of end plate mainly includes two aspects: I. Pre-stressed main reinforcement plays a fixing role in overall stretching. II. It plays a welding connection role in connecting pipe piles.