Nail setting navigator for metal spine surgery

The utility model discloses a metal spinal surgery screw setting navigator, which belongs to the technical field of spinal surgery, and comprises a first transverse plate, a second transverse plate, a steering plate and an adjusting mechanism, the bottom end of the second transverse plate is provided with a telescopic groove, the first transverse plate is slidably connected in the telescopic groove, one end of the second transverse plate is hinged with the steering plate, and the other end of the second transverse plate is hinged with the adjusting mechanism. A sliding frame is fixedly connected to the top end of the steering plate, a pair of symmetrical sliding rods are fixedly connected to the inner side face of the sliding frame, a vertical plate is arranged on the inner side of the sliding frame, sliding holes are formed in the surface of the vertical plate and slidably connected with the sliding rods, a positioning plate is fixedly connected to the top end of the second transverse plate, and an adjusting