Trachea cannula fixing device

The utility model discloses a trachea cannula fixing device, the trachea cannula fixing device comprises a main body, a fixing wing and a bite block, the main body is cylindrical, a through hole is formed along the axis of the main body in a penetrating manner, and the through hole is matched with the trachea cannula in size; the fixing wings are installed on the peripheral side of the main body to abut against the lips or teeth of a patient, fixing belts are arranged on the fixing wings, and the fixing belts are used for being fixed to the head of the patient to fix the main body to the mouth of the patient; the bite blocks are oppositely arranged on the two sides of the body, and flexible air bag structures are arranged on the bite blocks so that a patient can bite the bite blocks. The trachea cannula fixing device aims to solve the problems that when an existing trachea cannula fixing device is used, mucosa in an oral cavity is prone to being damaged and even gomphiasis is prone to being caused, and oral c