Anal discomfort after a bowel movement is often caused by the following reasons: first, suffering from hemorrhoids: when the patient has internal, external or mixed hemorrhoids, the anal part can appear swelling and pain, cramping sensation, or even itching and discomfort and other feelings, you need to go to the hospital general surgery, anorectal surgery for clarification. If the disease is the disease, you need to actively control the diet, and with drug sitz bath treatment to relieve the symptoms, if necessary, you also need to perform surgery. Second, anal fissure: mostly caused by ulcers in the anus, need to go to the hospital to do anal finger diagnosis, and anoscopy, etc. for clarification. Third, anal growths: such as polyps, or even malignant tumors, need to improve the relevant examination for clarification, if necessary, surgery. Fourth, rectal prolapse: some patients are caused by rectal prolapse, also need to carry out relevant treatment.