The performance of the formation of anal fistula after perianal abscess surgery has the secretion of anal fistula, itching, systemic manifestations and so on. 1. Fistula external secretion: perianal abscess after surgery to form a fistula, will form a fistula external mouth in the scar healing, external mouth if not healed, can appear pus, broken phenomenon. 2. itching: due to the stimulation of secretion, it will lead to perianal itching, discomfort and other symptoms; if the secretion is blocked, it will also lead to perianal pain, redness and swelling of the symptoms. 3. systemic manifestations: perianal abscess after surgery to form an anal fistula, long-term chronic suppurative fistula will lead to systemic symptoms such as fever, anemia, fatigue and so on. When the patient perianal abscess after surgery to form an anal fistula, should go to the hospital for further examination, under the guidance of professional doctors for treatment.