Hemorrhoids and anal fissures are two different diseases, and the causes of their formation are not the same. The causes of hemorrhoids are the following: genetic factors, unclean diet, frequent consumption of spicy and irritating foods, long-term and heavy alcohol consumption, chronic constipation, prolonged sitting, squatting, staying up late and straining, etc. The main causes of anal fissure include constipation, the patient in the process of forceful defecation, the role of friction will be the anal canal skin propped up fissure. Due to special local anatomical reasons, the anal sphincter forms two triangular fissures in the front and back of the anal canal, and the two parts are weak, so it also easily leads to the formation of anal fissures.