It is not recommended to replace the stoma tube with a thicker one, as the stoma incision is certain, and if it has to be replaced, it needs to be done under the supervision of a doctor. The stoma is mainly a channel to enable the output of secretions from the bowel, bladder, etc. It protects the distal tissues and promotes healing. Cystostomy is suitable for patients with total bladder removal, and rectal stoma is often used for patients who have radical rectal tumor surgery and cannot retain the anus. The thickness of the stoma tube is related to the size of the stoma, and it is not recommended to change the lumen caliber arbitrarily. The stoma tube should be sterilized during use to avoid infection. Patients with rectal stoma who have feces should be cleaned up in time to avoid accumulation respectively, so as to avoid odor and skin infection. Vesicostomy tube can be replaced regularly, 2~3 months to prevent inflammation, to prevent blockage of the vesicostomy tube, or choose bladder irrigation to eliminate inflammation, the replacement of the stoma tube should be based on the situation, choose the same model. The stoma tube is not recommended to be replaced arbitrarily into a thick, should be consistent with the local skin stoma, to avoid damage to the body.