The invention discloses a surgical nursing auxiliary device and a using method, the surgical nursing auxiliary device comprises a base, a rack, a footstand, an inner ring, a roller, a first rod, a second rod, a cross shaft, a motor base, a motor, a first gear, a second gear, a spring, a hand wheel, a lead screw, a third gear, a fourth gear and a mandrel, the four corners of the base are each provided with a guide rod, the rear portion of the base is provided with a lead screw hole, and the four corners of the rack are each provided with a guide rod hole; and a penetrating hole is formed in the rear portion of the rack, the left side and the right side of the rack are each provided with an outer ring, four outer ring spring holes are evenly distributed in each outer ring, the outer ring spring holes are evenly distributed in the outer rings, the outer ring spring holes are distributed in the outer rings in a cross shape, four positioning columns are evenly distributed on the inner sides of the outer rings, the positioning columns are symmetrically arranged on the rack, and two stand columns are evenly distributed on the inner sides of the positioning columns. The stand columns are symmetrically arranged on the rack, one stand column hole is formed in the upper portion of each stand column, and the four guide rods are connected with the four guide rod holes in a sliding mode respectively.