The clinical manifestations of anal fissure include bleeding in the stool, anal pain during stool and constipation caused by the fear of defecation. The treatment of anal fissure is mainly from three aspects: 1, first of all, keep the bowels open, eat more vegetables and fruits, drink more water, in addition to eating and drinking soup every day, drink more than 1500-2000ml of water. 2, after the stool to take a sitz bath to keep the anus clean, you can use 38 ℃ warm water for anal sitz bath, each sitz bath 5-10min, can effectively relieve anal pain. 3, after the sitz bath use hemorrhoid cream and hemorrhoid suppositories, you can choose Ma Yinglong hemorrhoid cream and Ma Yinglong hemorrhoid suppositories for treatment.