Pipeline fixing application for maintaining PICC catheter

The utility model relates to the technical field of PICC catheter fixing. The utility model relates to an application, in particular to a pipeline fixing application for PICC catheter maintenance. Included application, a pipeline groove is formed in the middle surface of the application; the application comprises an upper breathable layer and a lower sticking layer; notches are formed in the two ends of the pipeline groove, a positioning belt is arranged on the side, close to the application, of the surface of the application, a sticking piece is tightly stuck to one end of the positioning belt, thorn face hook-and-loop fasteners are tightly stuck to the bottom of the sticking piece and the other end of the positioning belt of the application, and rough face hook-and-loop fasteners are tightly stuck to the other side, close to the application, of the surface. A guide pipe is arranged in the pipeline groove, and one end of the guide pipe extends out of the pipeline groove and is connected with a hose. The cath