Wound closure self-locking device

The utility model is suitable for the technical field of auxiliary wound healing equipment, and provides a wound closing self-locking device which comprises two sticking pieces, a locking piece and a locking piece, the drawstring is detachably connected to one of the sticking pieces; the self-locking assembly is detachably connected to the other pasting piece and matched with the drawstring, the drawstring is arranged on the self-locking assembly in a penetrating mode, and the self-locking assembly comprises a self-locking piece for locking the position of the drawstring and a fine adjustment piece for finely adjusting the position of the drawstring. The self-locking state of the drawstring is relieved by pressing one end, far away from the working end, of the self-locking piece, so that the self-locking device is ensured to be self-locked and the stretching state of the self-locking device can be adjusted at the same time by arranging a pressing type automatic locking structure, meanwhile, the detachable sel