The utility model relates to a frame-structured multipoint retractor for thoracotomy, which belongs to the technical field of thoracic surgery instrument manufacture. The frame-structured multipoint retractor for thoracotomy comprises three parts: a frame-structured beam, a swinging base and a traction head, wherein the swinging base is connected with a frame structure through a clamping groove, and the traction head is hinged with the swinging base; the frame-structured beam part comprises an adjustable arm, a fixing shaft, a fastening screw, a cross beam and a cross beam jackscrew; the adjustable arm part adopts two stainless steel structural components, the two stainless steel structural components are symmetrical, a rotating shaft and a fastening screw are arranged between the two stainless steel structural components, and through holes and cross beam jackscrews are arranged on two sides of the stainless steel structural components; and the swinging base part comprises a base, a clamping groove, a revolving shaft and a stop pin. When in use, the arm angle and the length of the cross beam in the frame can be adjusted according to the stature of a patient, a plurality of traction hooks are selected according to the needs of an operation, the frame-structured beam is put on the chest after the thoracotomy, the muscular tissue pulled by the traction hooks are flexibly arranged, the axle head of a gear can be rotated by using a wrench, the hooked muscular tissue can be expanded to a needed opening degree, and the traction hooks are screwed and fixed. The utility model has the advantages of safety, reliability, reasonable design, quick and convenient use and the like.