Postoperative wound compression device

The utility model provides a postoperative wound compression device, and belongs to the technical field of medical equipment. The postoperative wound compression device comprises a compression assembly. During use, a salt bag or a sand bag for compression is placed in the cloth bag, then the cloth bag is placed on the knife edge, the weight of the salt bag or the sand bag can compress the knife edge through the cloth bag, then the first connecting piece and the second connecting piece bypass the body of a patient, and then the first connecting piece and the second connecting piece are bonded together. When pressure on the knife edge needs to be increased, a bolt is rotated, the bolt drives an extrusion plate to move towards the cloth bag, then a salt bag or a sand bag in the cloth bag is extruded, and then the pressure of the salt bag or the sand bag on the knife edge is increased; therefore, the pressure of the salt bag or the sand bag on the knife edge can be increased without detaching the salt bag or the