Anal fistula surgery more than two months wound scar bulging a small soft bag, there is a small hole , there is stool oozing treatment needs symptomatic treatment, surgical treatment and so on. The main reasons are pseudo-healing, anal fistula recurrence, scar proliferation and so on. 1. pseudo healing: anal fistula surgery more than two months scar with a small soft bag, hole, is likely to be the formation of a cavity under the incision scar after surgery, there is a pseudo healing and bulging of a small soft bag and a small hole, and there is a stool oozing. Specific treatment methods can be under the guidance of the doctor, with a probe to pick the soft package, the wound is trimmed and cleaned to ensure smooth drainage, usually pay more attention to rest, to avoid wound infection and so on. 2. anal fistula recurrence: it may also be caused by the recurrence of anal fistula. In the operation of the fistula or internal mouth of the fistula is not completely clean, resulting in exudate gathered in the wound scar caused by small soft bags and small holes. Generally, it is necessary to carry out surgical treatment again to remove the fistula and the inner mouth cleanly, and to take the medication again. 3. Keloid hyperplasia: it may be caused by keloid hyperplasia, usually no obvious pain, is a normal condition, do not need to worry too much. Treatment can be warm water bath after bowel movement, scar local aloe vera cream to promote scar softening; usually pay attention to a light diet, appropriate exercise. If the patient in the anal fistula surgery more than two months found that the wound scar bulging a small soft bag, there is a small hole , there is stool oozing, it is recommended to consult a doctor in a timely manner, to identify the cause of the disease after treatment.