Bite block

The utility model relates to the field of medical instruments, and particularly discloses a bite block which comprises a main body, a through hole is formed in the middle of the main body, a pipe sleeve coaxial with the through hole is arranged on one side of the main body, through grooves are formed in the two sides of the main body, a connecting rod stretching across the through grooves is fixed to the main body, bandages penetrating through the through grooves are arranged on the two sides of the main body, and the connecting rod is connected with the main body. An adhesive tape with release paper is fixed on the connecting rod; the bandages on the two sides of the body are wound to the rear side of the head to be connected, so that the body is bound to the mouth, the stomach tube penetrates through the tube sleeve to extend into the body, the stomach tube is wound and bound through the adhesive tape and is fixed, the situation that the bite block and the stomach tube are prone to being vomiting along with