The utility model discloses an auxiliary frame for an ear-nose-throat microsurgery. The utility model relates to the technical field of medical auxiliary instruments. The utility model relates to an auxiliary frame, in particular to an ear-nose-throat microsurgery auxiliary frame. The device comprises a mounting plate, a sliding way is fixedly connected to the lower surface of the mounting plate,a sliding strip is arranged in the sliding way, pulley fixing plates are fixedly connected to the top and the bottom of the sliding strip, a bolt stroke hole is formed in the surface of the mounting plate, and a locking device is fixedly connected to one side of the sliding strip. The utility model discloses an ear-nose-throat microsurgery auxiliary frame. The air bag and the air cylinder are arranged; a patient contacts the head with the surface of the mounting plate; after the position is adjusted, the air bag is filled with air by pressing the air cylinder; the air bag is inflated rapidly,the height of the head of a patient is increased conveniently, the air bag is filled with air through the air cylinder, the amount of filled air is convenient to master, the method is rapid, the working intensity of medical staff is reduced, the method can be applied to the operation process more physically and mentally, and the operation accuracy is improved.