Muscle retractor for general surgery department operation

The utility model discloses a muscle retraction device for general surgery department operation, a first gear and a steering plate form a rotating connection structure through a second gear, a muscle retraction mechanism is fixedly installed at the upper end of the steering plate, and one side of the bottom of a supporting column is in threaded connection with a traction hook. A detachable moving column is fixedly connected to the interior of the supporting column through a limiting pin, a plurality of sets of equidistant screw holes are formed in one side of the moving column, and a first lead screw and a second lead screw which are opposite in thread direction penetrate through the two ends in the two supports correspondingly, so that during use, angle adjustment can be conducted, and meanwhile, the angle can be adjusted for a long wound; the retractor has the advantages that the whole retractor can be lengthened, simultaneous operation of a plurality of retractors is avoided, occupied space is reduced, con