1, avoid all spicy food, such as wine, onion, garlic, pepper, etc. After anal fistula surgery, you should eat foods rich in cellulose, such as vegetables and bamboo shoots.

2, avoid fish, shrimp, crab and other hair products and fried smoked food. After anal fistula surgery, the diet should be light and easy to digest, as well as fresh fruits and vegetables.

3. Patients with chronic complicated anal fistula and tuberculous anal fistula should eat more digestible and nutritious foods, especially foods rich in protein, such as chicken, duck, beef, eggs, milk and soybean milk.

4, the diet after anal fistula should eat honey: taking a cup of honey on an empty stomach every morning has the effect of clearing heat, tonifying the middle, moistening the intestines and relaxing the bowels, which is a good product for regulating stools.

5, should eat animal fat food: the pig's large intestine has the function of nourishing the intestine with the intestine. Long-term haemorrhoids and hematochezia are often accompanied by blood deficiency, and the diet after anal fistula should be supplemented with food that can replenish qi and produce blood.