After gastrointestinal polypectomy, you need to consume different diets in different stages. You can eat low-fat, semi-fluid food for about 15 days after surgery. Just after gastrointestinal polypectomy, you need to fast for 6 to 8 hours. Eating too early tends to irritate the intestines and cause choking or aspiration. If no adverse reaction occurs after the operation, you can usually start with some fluid diet on the next day, such as thin rice, millet porridge, vegetable soup, and so on. Eat every 2~3 hours, and eat small and frequent meals. You can eat some low-fat, semi-liquid food, such as wontons, noodles, etc. 15 days after gastrointestinal polyp surgery. Note that the diet should contain the protein and dietary fiber needed in daily life. At this stage, you should also pay attention to eating small and frequent meals to the extent that there is no uncomfortable feeling after the meal. Food should be low stimulation and easy to digest. If nausea, bloating and other uncomfortable symptoms occur after eating, food should be suspended. Choose nutritious and easily digestible food after discharge. Ordinary diet can be resumed 3~6 months after surgery according to the physical condition.