Small abdominal pain in men may be digestive system diseases, genitourinary system diseases, inguinal hernia, etc., which need to be identified according to specific symptoms. Abdominal that is the middle of the lower abdomen, men’s abdomen at the rectum, bladder, ureter, prostate and other organs, abdominal pain may be involved in the digestive system, genitourinary system and other systemic diseases. If the pain in the abdomen is accompanied by a feeling of anal distension and swelling, and the symptoms of urgency and heaviness (discomfort in the lower abdomen, wanting to defecate very much, and a feeling of incomplete defecation after defecation), it is mostly considered to be proctitis, ulcerative colitis and other diseases. If the abdominal pain can be improved after defecation, and the fecal character is abnormal, it is mostly considered as irritable bowel syndrome. If accompanied by urinary frequency, urinary urgency, urinary pain and other abnormal urination symptoms, most often considered for the bladder, ureter or prostate inflammation. If the groin can be seen protruding lumps, coughing, standing, weight-bearing lumps more obvious, mostly considered for inguinal hernia caused by abdominal pain. These are some of the possible causes of abdominal pain in men, the specific cause of the disease is recommended to consult a doctor, by a professional doctor for diagnosis.