The invention discloses a novel abdominal retractor for surgery, and relates to the technical field of abdominal retractors. The novel abdominal retractor comprises a bottom plate, wherein the top ofthe bottom plate is fixedly connected with a stand column, the top end of the stand column is rotatably connected with a threaded column, the threaded column is in threaded connection with a threadedbushing, the side wall of the threaded bushing is fixedly connected with a supporting column, a sliding column is arranged at one end of the supporting column, and an annular rod is arranged at one end of the sliding column. According to the invention, the novel abdominal retractor is reasonable in structure; by arranging the sliding block, the U-shaped pressing plate, the butterfly nut, the threaded rod and the annular rod, the positions of the sliding block and the sliding plate can be adjusted conveniently according to the position of a knife edge, and position fixing is conducted through the U-shaped pressing plate, so that operation is convenient and easy; and by arranging the gear and the rack, force can be conveniently controlled, and the opening degree of the traction knife edge ofthe traction plate is conveniently controlled, so that unnecessary injury to the patient caused by further expanding of the incision of the patient due to direct manual sliding of the traction plateis avoided.