Symptoms of healed anal fistula surgery such as significant pain relief, wound healing, redness and swelling disappear. 1. Pain relief: anal fistula surgery because of the presence of surgical wounds, as well as the stimulation of bowel movements, postoperative pain is significant. When the wound is gradually healed, the pain symptoms will be gradually relieved; therefore, when the pain is significantly relieved, it generally indicates that the healing stage. 2. Wound healing: after anal fistula surgery, as the wound granulation tissue continues to grow, the wound will gradually heal, until the wound is completely healed, this time to achieve the clinical healing standards of anal fistula surgery. 3. Redness disappears: anal fistula surgery due to the impact of stool, so the postoperative wound belongs to the unclean wound, most cases will be accompanied by the presence of redness and swelling of the wound edges, and in the wound will exist for a period of time after the complete healing of the wound, when the wound is completely healed, the redness and swelling completely disappeared, only then is considered to be the complete healing of the anal fistula surgery. After the anal fistula surgery, it is recommended to go to the hospital to review the healing situation.