Orthopedic surgical incision distraction device

The invention discloses an orthopedic surgery incision distraction device which comprises a base, a first connecting rod, a second connecting rod and a third connecting rod, a containing cavity is formed in the base, and a side connecting groove communicated with the containing cavity is formed in the side wall of the base; the adjusting threaded rod is rotationally connected into the containing cavity, two adjusting nuts are connected to the adjusting threaded rod in a threaded mode, and the screwing directions of threads of the two adjusting nuts are opposite; each adjusting nut is rotationally connected with the corresponding opening transverse shaft through a rotating shaft; a plurality of distraction rods are connected to each distraction transverse shaft, and the distraction rods are sequentially arranged in the length direction of the distraction transverse shafts; and the first limiting device can limit the position of the rotating shaft and limit the opening transverse shaft in an unfolded or folded