Male anal swelling pain will be difficult to urinate, anal swelling urinary incontinence may be hemorrhoids, rectal mucosal relaxation and other factors. 1. Hemorrhoids: related to sedentary, squatting, drinking and other dietary habits, there will be bleeding in the stool, pain, anal foreign body sensation and other symptoms, severe swelling, pain will cause urinary incontinence, can be treated by anastomosis hemorrhoidal mucosal circumcision. 2. Rectal mucosal laxity: may be due to anorectal injury, systemic malnutrition and bedridden causes of rectal mucosal laxity and prolapse, prolapsed mucosa will oppress the urinary tract and anus, the phenomenon of anal pain, dysuria, surgical excision of excess mucous membrane to improve the symptoms. Therefore, male patients with anal pain, should go to the hospital as soon as possible to identify the cause of the disease, under the guidance of the doctor for standardized treatment, to avoid delaying the condition.