The utility model relates to the technical field of medical equipment, concretely relates to surgery auxiliary device of department of general surgery, including the prescription on individual diagnosis chair, prescription on individual diagnosis chair bottom surface sets up hydraulic lifting rod and universal wheel, and the back of the chair back of prescription on individual diagnosis chair setsup the bracing piece, back of the chair side upper end sets up fixed handrail, and fixed handrail includes punch holder and lower plate, set up the arm fixed band on the punch holder, setting up neckcutting ferrule and head on the bracing piece and placing the board, the head is placed board center department and is set up ellipse ball grooves, the bracing piece top sets up magnetic adsorption plate, and magnetic adsorption plate passes through the fixed rotating shaft and connects upper end of the support bar, magnetic adsorption plate surface sets up and accomodates the groove, and the tank bottom of accomodating the groove sets up permanent magnet and categorised baffle, accomodates and sets up the capping on the groove, groove inner surface of the cover sets up sterilamp, the bracingpiece lower extreme sets up lead screw brake valve lever through the seat fixed connection of lift lead screw with the prescription on individual diagnosis chair, seat side. The utility model discloses having multiple functions, can satisfying the operation of different kind departments of general surgery and use, be convenient for adjust, the practicality is strong.