Endoscope puncture hole stitching instrument

The invention discloses an endoscope puncture hole stitching instrument which comprises two stitching needles and a guiding device, and the guiding device comprises a cylinder and an operating handle which is arranged on the cylinder and provided with a stitching needle guiding channel; a synchronizer is mounted at the upper end of the operating handle; the synchronizing device comprises a synchronizing device shell and a synchronous operation part; the synchronizing device shell is crawler-shaped and is provided with a top cover, rotating seams for the operation part of the suture needle to move are symmetrically arranged on the left and right sides of the synchronizing device shell, and a stop part is arranged in the middle of the synchronizing device shell; the stop part divides the rotating seam into two symmetrical semicircular rotating seams which are not communicated with each other and have the same radius; the synchronous operation part is sleeved outside the synchronizer shell in a sliding manner; a