After low anal fistula surgery15 inflammation and suppuration, recurrence, etc. may occur, and attention needs to be paid to regular medication changes, maintenance of hygiene, etc. Low anal fistula surgery is through the removal of local fistula wall, so that the newborn granuloma regrowth, so as to achieve the effect of healing. Because of the anal fistula surgery, the wound is not sutured, plus after the operation, by the anal excreta, easy to postoperative infection and recurrence, so you need to do a good job of regular dressing changes and disinfection, to keep the surgical wound drainage smooth. If necessary, warm water sitz bath or 1:5000 potassium permanganate solution sitz bath cleaning, play a clean wound, swelling and anti-inflammatory effect, to avoid the excreta influence healing, to avoid secretion pus and so on. Low anal fistula surgery healing usually takes about 20-30 days, need to pay attention to postoperative diet management, light diet, avoid spicy diet, eat more fish, beef and other high-protein foods, can promote wound healing, pay attention to perianal cleanliness and hygiene, avoid prolonged squatting. At the same time to avoid fatigue and stay up late. After the low anal fistula surgery, in addition to the above precautions, you need to go to the hospital regularly to observe the postoperative wound healing, if there is any local abnormality, deal with it in time, so as not to affect the normal recovery of the surgical wound.