After anal fistula surgery is always venting can be improved and treated through dietary regimen, functional exercise, medication and other aspects. 1. Dietary management: should develop good eating habits, to light, easy to digest diet, eat more vegetables and fruits rich in vitamins and minerals, such as kiwifruit, strawberries, cucumbers, winter melon, loofah, etc., to avoid eating indigestible food, such as potatoes, onions, broccoli, corn and so on. 2. Functional exercise: you can do anal lifting exercises, squatting and other exercises, which can relieve the symptoms to a certain extent. 3. Medication: 1:5000 potassium permanganate solution can be used for sitz bath, or oral Bacillus subtilis bacillus enteric capsules, lactobacillus tablets, benzoxiline sodium capsules and other drugs for treatment. When the above symptoms appear, should go to the hospital in time for relevant examination and diagnosis, under the guidance of professional physicians to carry out targeted treatment as well as taking drugs to avoid aggravation of the condition.