The cause of acute anal fissure is the focus of many people’s attention in real life, because generally speaking the cause of anal fissure disease is complex, and in the treatment is also based on the cause to choose the therapy, so in real life for disease prevention and control we must pay more attention to attention to this is very important, to the hospital after the examination will know the cause of acute anal fissure Anal fissure, as the name implies, is the anus It is characterized by dry stools, blood in the stool and anal tearing pain. Because of its high incidence and pain, it is listed as one of the three most common diseases of anorectal hemorrhoids, fistulas and fissures. Through years of clinical observation, it is found that the incidence of anal fissure is equal for both men and women, and the prevalent sites are mainly the front and back of the anus, but the posterior incidence is much greater than the front. According to Chinese medicine, anal fissures are caused by fissures in the anal skin caused by constipation and defecation, and repeated infections with evil toxins that cause poor local qi and blood flow in the anal canal and loss of nutrition in the wound. Therefore, Chinese medicine advocates keeping the bowels open, and in the case of anal fissures, the use of heat-clearing and bowel-cleansing drugs and topical heat-clearing and detoxifying drugs can be used for treatment. The only way to treat acute anal fissures is to understand their causes. Among the three major anal diseases, hemorrhoids and anal fistula are significantly higher in men than in women, while anal fissure is just the opposite. Why is this? This is because a significant proportion of female patients with constipation have anal fissures, simply because they are too shy to go to the hospital, especially young women. The causes and treatment of acute anal fissures Foreign scholars believe that the onset of anal fissures may be related to trauma, infection, anatomical abnormalities, and spasm of the sphincter muscle. From the current clinical point of view, the majority of anal fissures are caused by persistent dryness of the stool, resulting in anal tears. If the patient can adjust the stool in time and take reasonable medication, the anal fissure can be healed by conservative treatment. For example, drink more water and eat more food with coarse fiber to soften the stool; take frequent showers and sitz baths to keep the wound clean and warm; and insert suppositories into the anus. Although a typical anal fissure is very painful, countless facts have proven that the initial anal fissure can usually be healed within a week with proper treatment. It is important to understand the causes of acute anal fissures, and doing so will help in their treatment.