Anal fistula, also known as anal leakage, is short for anal fistula. Anomalous tubes or rectal cavities communicating with the skin outside the anus are called anal fistula, or anal fistula for short. Also known as "anorectal fistula". Its inner mouth is often located near the tooth line, and its outer mouth is located on the perianal skin, and the fistula has not healed for many years. Anal fistula is a habitual disease, and its occurrence is closely related to damp heat. Therefore, damp and greasy food should be controlled, and at the same time, the habit of smoking, drinking and loving tea should be given up. So, what should patients with anal fistula eat? Surgical experts in Shenzhen Jing Tian Hospital pointed out that patients with anal fistula had better eat the following foods: 1, 1 eel,100g lean pork, 25g astragalus root, and appropriate amount of salt, sugar and yellow wine before eating. It is suitable for patients with virtual anal fistula. 2. Wash 100g rice and millet respectively, put them in a pot, add appropriate amount of water to boil the porridge until it is half cooked, add 500g soybean milk, stir well and cook, and serve. It is suitable for patients with physical weakness and is suitable for all ages. 3, 6 grams of chrysanthemum, 6 grams of sugar, 3 grams of green tea, put people in a teacup and brew with boiling water, slightly stuffy for a while, light and elegant, can clear away heat and detoxify, benefit blood vessels, eliminate dampness, and relieve the swelling and pain of anal fistula. For the surgical treatment of anal fistula, no matter what method is adopted, the infected anal fistula recess and anal gland should be removed accurately and completely; On the premise of effectively protecting the anal sphincter, removing necrotic substances in the fistula and draining the anal fistula in the anal canal can eradicate the anal fistula, which is also the key to ensure that the anal fistula can be cured without recurrence after operation.