Brain surgery body position fixing device

The utility model discloses a brain surgery operation position fixing device. Bottom plate, a fixed clamping plate is fixedly connected to the position, close to the back cushion, of one side of the top of the bottom plate. A sliding clamping plate is slidably connected to the side, away from the fixed clamping plate, of the top of the bottom plate. The side, away from the protection pad, of the surface of the sliding clamping plate is rotationally connected with a lead screw. A back cushion is fixedly connected to the center of the top of the bottom plate. Protective pads are fixedly connected to the two corresponding sides of the sliding clamping plate and the fixed clamping plate; the bottom of the first elastic fixing band and the bottom of the second elastic fixing band are both fixedly connected with the top of the bottom plate, and the two corresponding sides of the first elastic fixing band and the two corresponding sides of the second elastic fixing band are both fixedly connected with buffer pads. T