Distinguishing between hemorrhoids and anal fissure can be done from the information of clinical manifestation and auxiliary examination, and its common auxiliary examination includes anal finger test and anoscopy, which are recommended to be combined with auxiliary examination under the guidance of doctor. 1. Clinical manifestations: the main symptoms of anal fissure are perianal pain and blood in stool, but its perianal pain is cyclical, severe pain during defecation, which can be relieved in a few minutes after defecation, and then due to the spasm of anal sphincter contraction, it is severe pain again, which can last for half an hour to several hours; The main symptoms of hemorrhoids are blood in stool, pain, lumps and prolapse of lumps, etc., but the pain is always pain, no periodicity, hemorrhoids can appear bleeding after defecation, in the form of dripping blood or jet, perianal lumps and anal mass prolapse of the anal cavity during defecation performance. 2. Auxiliary examination: anal fingerprinting or anoscopy can reveal that anal fissure is a manifestation of fissures and ulcers in the skin around the anal canal. While hemorrhoids is a lump, is the formation of varicose veins around the anus, venous vascular mass. Appearance of perianal discomfort, should be distinguished under the diagnosis and treatment of the doctor, do not blindly judge by yourself, so as not to affect the treatment of the condition.