The difference between anal fistula and hemorrhoids is mainly that anal fistula is fistula formation, while hemorrhoids are mainly varicose veins. 1. anal fistula is a granulomatous tube around the rectum of the anal canal, the inner mouth is often located in the anal sinus, the outer mouth is located in the perianal skin, can be more than one, usually long-lasting, repeated intermittent attacks. The main manifestation of the external mouth continuous or intermittent discharge of pus, blood, mucus and other secretions, sometimes there will be feces and gas discharge, can form eczema, accompanied by pain, itching and so on. 2. hemorrhoids are divided into internal hemorrhoids and external hemorrhoids, internal hemorrhoids is the venous plexus pathologically altered leading to the anal cushion downward due to the general manifestation of intermittent blood after stool; external hemorrhoids is the dentate line below the venous plexus pathologically dilated due to the main manifestations of the anus for the discomfort, moisture, itching, etc., and sometimes accompanied by severe anal pain. If the situation of anal fistula and hemorrhoids, it is recommended to go to the hospital in a timely manner, early formal treatment, so as not to delay the condition.