The utility model relates to the field of medical instruments. The trachea incision device is of an improved structure. The tracheostomy tube comprises a tracheostomy mask, a tracheostomy neck ring, asputum suction machine, a first sputum suction tube, a nursing hose, a mounting tube head, an oxygen catheter, a sputum suction bottle, a nursing belt, a nursing area and a connecting part, the tracheostomy neck ring is sleeved with a nursing belt; a nursing area is fixedly mounted in the center of the nursing belt base surface; a first through hole and a second through hole are formed in the nursing area base surface; a tracheostomy mask is arranged on the front side of the nursing belt; fixing ropes are fixedly installed at the two ends of the top of the tracheostomy mask. A connecting partis fixedly mounted in the center of the basal plane of the tracheostomy mask; a first through hole is formed in the base face of the connecting part, a nursing hose is fixedly installed on one side of the connecting part, an oxygen catheter is arranged on the side, away from the connecting part, of the nursing hose, and the whole device is simple in structure, easy to operate, convenient to use,fast, high in efficiency, high in hygienic index, not prone to infection and capable of achieving a certain popularization effect.