The utility model relates to the field of surgical instruments, in particular to a surgical auxiliary suspension bridge. Comprising a beam and movable suspenders, more than one movable suspender is arranged, the top of the movable suspender can move horizontally and is fixedly arranged on the cross beam, the cross beam is provided with a sliding groove, and a sliding block which is matched with the sliding groove and can slide on the sliding groove is arranged at the position, corresponding to the top of the movable suspender, of the top of the movable suspender; a plurality of inserting holes are formed in the middle of the bottom of the cross beam in the length direction of the cross beam in an arrayed mode, a plug pin cavity is formed in the position, corresponding to the movable hanging rod, above the movable hanging rod, and a plug pin is arranged in the plug pin cavity and fixed through the plug pin. When the suspender is moved, the suspender can move simply and quickly only by lifting the suspender to slide, and the suspender can be fixed through the insection and the bolt when the suspender is moved to a certain position.