Tracheal stent, introducer thereof and introduction method of introducer

The invention discloses a tracheal stent, an introducer thereof and an introduction method of the introducer, and belongs to the field of medical instruments. The tracheal stent comprises a supportingframework and a discharge outlet which is formed in the supporting framework and extends in the axial direction of the supporting framework, the outer side of the supporting framework is sleeved witha framework film, protection parts are arranged at the positions, located at the two ends of the supporting framework, of the framework film, and closing-up structures are arranged at the two ends ofthe supporting framework. The tracheal stent introducer comprises an imbedding tube and a pushing rod which is arranged in the imbedding tube and is movably connected to the imbedding tube, an air bag is arranged at the front end of the imbedding tube, the air bag is arranged on the outer side of the imbedding tube in a sleeving mode, an inflation tube is arranged at the rear end of the air bag,and the input end of the inf