The invention relates to a lifting type adjustable chest protecting plate. At present, a laryngoscope positioning device which is simple in structure and brings convenience for surgical operation when a laryngoscope is used does not appear in markets. The lifting type adjustable chest protecting plate is characterized by comprising a fixing clip device, a lifting device, a tray device and a chest support, the lifting device comprises a outer sleeve, a connecting rod, a bevel gear fixing seat, a longitudinal bevel gear, a transverse bevel gear, a handle, a positioning pile, a transverse rod fixing seat, an inner sleeve, a screw stem and a lifting swivel nut, wherein the connecting rod is fixed at the lower end of the outer sleeve, the bevel gear fixing seat is fixed in the outer sleeve, the longitudinal bevel gear and the transverse bevel gear are mutually meshed and mounted in the bevel gear fixing seat, the handle is connected onto the longitudinal bevel gear, the positioning pile is fixed at the top end of the inner sleeve, the transverse rod fixing seat is mounted on the positioning pile, the inner sleeve is sleeved in the outer sleeve, the screw stem is mounted in the outer sleeve, the lifting swivel nut is sleeved in the inner sleeve, the screw stem is fixed with the transverse bevel gear, the lifting swivel nut is sleeved on the screw stem, and the connecting rod is fixed on the fixing clip device. The lifting type adjustable chest protecting plate is reasonable in structural design, and can optionally rotate circularly, and furthermore, the height of the lifting type adjustable chest protecting plate can be adjusted according to needs of surgery.