Fixing device for lateral position operation

The invention discloses a fixing device for a lateral position operation. The fixing device comprises a pillow assembly, a movable bed board, a shoulder fixing assembly and a driving assembly enabling the movable bed board to rotate. Wherein the pillow assembly is arranged on the upper surface of the movable bed board and is internally provided with a driving unit capable of lifting the height of a pillow; the movable bed plate is hinged to one side of the head of the fixed bed plate; a driving assembly capable of rotating the movable bed plate up and down around the hinged part is arranged below the movable bed plate; the shoulder fixing assembly comprises a frame unit, a telescopic unit and an abutting unit, the frame unit is arranged on the movable bed board, the two ends of the telescopic unit are connected with the frame unit and the abutting unit respectively, and the telescopic unit can adjust the distance between the abutting unit and the shoulder. The fixing device provided by the invention can suppo