When you register for bleeding stools, you can register for anorectology, gastroenterology and surgery, because bleeding stools are caused by a variety of reasons. First of all, it is caused by anorectal diseases, such as acute attacks of internal hemorrhoids, anal fissures, rectal polyps, etc. The color of the stool is usually bright red in these diseases. If the color is darker, it may also be due to anal tumor or cancer, these diseases need to go to the hospital to register anorectal specialist, but some hospitals are not so detailed, you can also go to the general surgery for examination and treatment. Secondly, it may be caused by digestive diseases, such as duodenal ulcers and gastric ulcers, which may lead to bleeding stools, the color of the stool in this case is usually dark red, which requires a visit to the gastroenterology department. In summary, you can go to the above three departments for treatment.