Nasogastric tube application replacement bag

The utility model provides a nasogastric tube application replacement bag which comprises a wearing cylinder, a rotating groove is formed in the outer wall of the wearing cylinder, the inner side of the rotating groove is movably connected with a replacement bag in a clamped mode, the replacement bag comprises a rotating cylinder, a fixing patch and a label groove, and the rotating cylinder comprises a rotating ring, a limiting ring, a storage cylinder and a containing bag. The outer wall of the wearing cylinder is movably sleeved with the rotating cylinder of the replacement bag, the rotating cylinder is provided with the containing bags, various fixing application patches such as nose wing adhesive tape, alcohol cotton swabs and sanitary gloves are worn on the upper end of an arm of a medical worker, and after a nasogastric tube is inserted into a patient, the medical worker can conveniently put on the medical worker. Medical staff can conveniently take out fixed application or alcohol cotton swabs and the