The difference between internal hemorrhoids and anal fissures is mainly due to the different causes, clinical symptoms and treatment methods, as follows: 1. Internal hemorrhoids: soft masses formed by pathological varicose veins at the end of the rectum, and the main reason for the formation of internal hemorrhoids is the increased pressure in the abdominal cavity, such as constipation, pregnancy and other reasons, mainly manifested as blood in the stool, bright red color, the amount of blood in the stool is high, accompanied by the nucleus of hemorrhoids prolapsing during defecation. The main treatment is conservative medicine, when the internal hemorrhoids have serious prolapse symptoms, you need to perform surgery; 2, anal fissure: mainly due to constipation, dry stool, excessive force in the process of defecation, which leads to anal canal skin fissures, anal fissure is mainly manifested as blood in the stool, the amount of blood in the stool is small, accompanied by anal pain symptoms, for acute anal fissure is mainly conservative treatment with medicine, for chronic anal fissure For acute anal fissure, conservative treatment with medicine is the main treatment, while for chronic anal fissure or old anal fissure, surgical treatment is the main treatment.