Trachea casing pipe

The invention provides a trachea casing pipe. The trachea casing pipe includes a flange plate and a fixing structure, wherein the flange plate includes a flange plate body and two extension parts, the fixing structure includes two parallel fixing straps, and the two parallel fixing straps are connected with the two extension parts respectively and used for fixing the extension parts and further fixing the trachea casing pipe. According to the trachea casing pipe, a person can fully nurse skin around a trachea incision without pulling out the trachea casing pipe, and when throat-mat replacement, auxiliary-material replacement and other operation are conducted on a patient, it is only required to successively lift the flange plate; because the fixing straps remain connected with and fix the trachea casing pipe all the time, the shifting and slipping off of the trachea casing pipe are not caused, the safety is ensured, the operation is convenient, the time and labor are saved, and the workload of nurses is reduc