Abstract: The present disclosure provides a skin tension-reducing scar-preventing plaster, including a film stuck to the skin, where the film is divided into a left part, a silicone part and a right part, lower surfaces of the left part and the right part are both provided with adhesion gels, a lower surface of the silicone part is provided with a silicone gel, an area between the left part and the silicone part is a blank area, and an area between the right part and the silicone part is also a blank area; and a plurality of fixing blocks are mounted on the surface of the left part, a plurality of fixture blocks corresponding to the fixing blocks are mounted on the surface of the right part, traction strips are connected between the fixing blocks and the fixture blocks, and one end of the traction strips are connected with the fixing blocks.