Three months after the anal fistula surgery are not completely healed, may be related to the slower healing, infection, anal fistula recurrence and other conditions, need to be based on the cause of the disease, through the life of the conditioning, medication, as well as surgical treatment and other methods to help the healing. 1. slower healing: if the patient’s surgical site cut off more decayed tissue, the wound is larger, coupled with the patient’s poor physical condition, will affect the normal healing speed. At this time, it is necessary to strengthen the change of medicine, increase the intake of nutrition, etc., to promote the recovery of the wound. 2. Infection: If the site is contaminated by feces or other dirt during the recovery process, it may cause wound infection. At this time, you need to use potassium permanganate solution diluted soak wash the affected area, the trauma for debridement, followed by oral cefixime, amoxicillin and other drugs for anti-infection treatment. 3. anal fistula recurrence: this is very likely to be again recurrence or treatment is not complete, the need for anal fistula again radical surgery, will be infected tissue clean up, to maintain the drainage of the site is smooth. It is recommended that patients with anal fistula timely medical treatment, actively cooperate with the doctor to take the appropriate method of treatment, to avoid arbitrary use of drugs, delaying the recovery of surgery.