Anal fissures are sometimes mild and sometimes severe, but treatment is usually needed. At the very least, it is important to have the patient examined by a doctor, taking into account other anal diseases. If the fissure is more serious, it is usually treated by surgery. However, after surgery, the following sequelae are likely to occur. Anal fissure surgery is the main aspect of the treatment of anal fissure, but if the surgical technique is not mature live improper operation, it is easy to cause anal sphincter incomplete; move hemorrhoid surgery to remove the external anal sphincter, even when the anal lifting muscle is also cut together; bad Deuteronomy surgery, the symptoms caused when the sphincter is removed in the round. Anal stenosis; when anal surgery is performed, the affected area is removed with a knife, so there is some degree of scarring. However, some patients are prone to scarring stenosis. Even if the ligature of internal hemorrhoids is used to remove the mucosa in a wide range, the anus is still stenosed, and the phenomenon of septicemia after surgery is also one of the causes of stenosis. There are some patients with anal fissures who also have anal deformation after surgery, which is a major injury to the patient. When the patient’s hemorrhoids are cut off on the side of the external anal sphincter, the side of the anus that is operated on will be deformed, and it will become depressed and uneven after surgery, which is very likely to cause anal deformation. Skin Eucalyptus: Both the depression and unevenness of the skin. It can simply be good for the sequelae of anal fissure surgery caused by delayed treatment of the surgical wound; it is common when suffering from anal fissure, and is prone to occur due to improper care after surgery. If implant surgery is performed on this area, it can be cured in advance. This shows that there are actually more sequelae of anal fissure surgery, so patients should be aware of anal fissures, diagnose anal diseases before carrying out treatment, determine their own condition, and choose a regular hospital with good technical strength for treatment, never to be greedy for cheap.