Pooping when you wash your buttocks may be caused by the stimulation of warm water, too loose anal canal and other factors, which can be treated through anal lifting exercise and surgery under the guidance of a doctor. Some people’s anus is too sensitive, warm water stimulation will produce defecation phenomenon, infants are especially obvious, if there is no fecal incontinence under normal circumstances, there is no need for treatment, you can exercise the muscles around the anus appropriately. Loose anal canal is usually due to the perianal muscles, pelvic floor muscle membrane damage and other factors, resulting in anal dysfunction or closure incomplete, thus appearing to wash the buttocks on the phenomenon of poop. The symptoms can be relieved by lifting the anus under the doctor’s guidance, and for patients with more serious conditions, surgery can be used for treatment. Proper exercise should be paid attention to in daily life to promote blood circulation and help the condition recover.