Two months after the anal fistula hemorrhoid surgery edema water, may be due to infection, wound dehiscence and other factors, depending on the cause of the choice of drug treatment, local treatment, surgical treatment and other methods. 1. Infection: anal fistula hemorrhoid surgery does not pay attention to personal hygiene, change the medicine is not in place or a long time when the diet is not right, may lead to local infections, so that the phenomenon of oedema two months after surgery. It is recommended that patients use amoxicillin, levofloxacin and other drugs or 1:5000 potassium permanganate solution sitz bath to alleviate the symptoms under the guidance of the doctor. 2. wound dehiscence: anal fistula hemorrhoid patients after surgery, prolonged strenuous exercise, may lead to the healing of the wound dehiscence, so that the phenomenon of oedema water 2 months after surgery. It is recommended that the patient timely medical examination, and under the guidance of the doctor, local give clean disinfection, or surgical methods of treatment. The two months after the anal fistula hemorrhoid surgery edema water, may also be caused by the recurrence of the disease, it is recommended that the patient timely medical examination, a clear cause, under the guidance of a professional doctor as soon as possible reasonable standardization of treatment, to avoid delays in the condition of the body to bring about adverse effects.