1, fasting for 3 ~ 4 days after operation, waiting for the recovery of intestinal peristalsis, and after air bubbles overflow from the stoma after the artificial anus is exhausted, you can enter a liquid diet, and the food you choose should be digestible and nutritious, such as vegetable soup, rice soup and lotus root powder. 2. After a week, you can enter a semi-liquid diet and choose foods rich in protein and low in cellulose, such as noodles, porridge and wonton. And you have to eat a few meals, 5 ~ 6 meals a day. 3. After two weeks, you can eat digestible, low-residue, fast coarse grains and fiber-rich vegetables, such as celery, to reduce the burden on the intestines.