Diarrhea butt pain may be caused by improper wiping after repeated diarrhea, or may be caused by abnormal diarrhea with perianal disease, the common causes are as follows: 1. Improper wiping: after frequent diarrhea, repeatedly wipe the anus, stimulating the muscle contraction around the anus or damaging the skin around the anus, resulting in butt pain. Pay attention to gentle movements when wiping to avoid damaging the skin and mucous membrane around the anus. Tannic acid ointment can be used locally to relieve the discomfort. In addition, symptomatic treatment can be taken according to the cause of diarrhea, thus relieving the pain. If the degree of diarrhea is mild, you can use montmorillonite under the guidance of a doctor, and apply bifidobacteria and lactobacillus tablets to regulate the gastrointestinal flora, which can reduce the number of diarrhea and thus reduce the stimulation of the skin in the anal area; 2. Perianal diseases: anal fistula, anal fissure, inflammatory external hemorrhoids, perianal abscesses and thrombosed external hemorrhoids, inflammation of the anal papilla, etc., can also cause pain during defecation, and need to actively improve the relevant examination after The diagnosis should be clarified, and then the corresponding measures should be taken for symptomatic treatment. At the same time, patients can use warm water or light salt water sitz bath, and can also use skin care oil to wipe the skin around the anus, which can relieve anal pain.