Postoperative anal fistula wound around the ectopia, early because of the surgical incision, the late appearance is caused by excessive proliferation of granulation tissue. After anal fistula surgery, due to the need for complete removal of the sinus tract or hanging treatment, the surgical incision is V-shaped, on the one hand, it can expand the trauma, complete resection, on the other hand, it is convenient for postoperative incision drainage, healing is from the deep incision gradually to the skin healing process. Because anal fistula surgery is a contamination surgery, if the postoperative wound cleaning is not timely and thorough, repeated stimulation of newborn granulation tissue, resulting in excessive proliferation of granulation tissue, filling the incision, can also lead to surgical incision ectopia, the appearance of uneven surface of the wound, or a place obviously higher than the phenomenon of this kind of situation, and timely give the wound granulation pruning, hemostasis, and other drug replacement treatment. After anal fistula surgery, you need to change the medicine regularly, keep the perianal area clean and clean, smooth drainage, actively cooperate with the treatment, outpatient follow-up. If there is any abnormality in the perianal wound, find a doctor to check and deal with it in time to avoid affecting the normal recovery of the surgical wound.