Hidden pain in the belly and anal falling may be intestinal diseases, gynecological diseases, urological diseases, perianal diseases, etc., you can hang up the gastroenterology, but also can hang up the general internal medicine, gynecology, urology, anorectal consultation and treatment. 1. Gastroenterology: it may be caused by sigmoiditis and proctitis, usually accompanied by abdominal pain, incomplete defecation, constipation, causing anal swelling, you can go to the gastroenterology department. 2. General internal medicine: intestinal diseases also belong to the category of general internal medicine, you can go to the general internal medicine department for treatment. 3. Gynecology: Female pelvic inflammatory disease can cause vague pain in the stomach, anal distension, abnormal leukorrhea and other symptoms, you can go to the gynecology department for treatment. 4. Male: Urethritis, cystitis, prostatitis, etc. can cause frequent urination, urinary urgency and other symptoms, serious cases can involve the abdomen, anus, perineum, feeling anal drop, you can go to the men’s department. 5. Anal and intestinal: sinusitis, hemorrhoids, anal fissure and other perianal diseases, there can be hidden pain in the stomach, anal drop, you can go to the anorectal department for medical treatment.