The anus is part of the surgical system and in many hospitals there is an anal surgery department. In some hospitals or some places that do not have an anal surgery department, it may be attached to gastrointestinal surgery or general surgery. The main diseases treated in the Department of Anal Surgery are hemorrhoids, anal fistula, anal fissure, perianal abscess, colorectal malignant tumors, anal canal polyps, rectal swelling, anal itching and other anal intestinal diseases. In this department generally more than 90% of the diseases are treated mainly by surgery. If you find blood in stool, anal swelling, anal itching, anal pain, swelling in stool with prolapse of swelling or lump or pus next to the anus, abdominal pain, diarrhea and other such symptoms in your life, you can go to a regular anorectal department for consultation, which can provide the most professional treatment and examination.