Multifunctional respirator

A multifunctional respirator is disclosed, and relates to the technical field of medical apparatus. The technical scheme provided by the utility model is that the multifunctional respirator comprises a throat tube and an air sac, wherein a bent arm is arranged at the bottom of the air sac, a lower jaw hanger is arranged on the bent arm, a bent elastic arm is arranged on the lower jaw hanger, an epiglottis pressing tray is arranged on the bent elastic arm and a gas replacement valve is arranged on the lateral surface of the air sac. The multifunctional respirator provided by the utility model has a simple structure, is simple to operate and saves time and labor when artificial respiration is performed for the patients and alleviates the work difficulty of medical staff.