After bowel cancer surgery, we should pay attention to several points in the diet: firstly, green plants, green vegetables, cruciferous foods, radish, etc. should be consumed properly and in a larger proportion. Secondly, mushroom food is also helpful to the body. Mushroom polysaccharide also has a certain immune enhancing effect on the organism. The third, like dairy products, especially yogurt food, fermented yogurt is very helpful to maintain intestinal flora. There is also a proper supplement of calories and protein, especially high-quality protein. There are also spicy foods, high-fat, high-protein foods should be appropriately limited, especially high-salt foods, such as salted fish, salted meat, pickled vegetables these pickled foods. Also try not to eat barbecued food, smoked food, because these foods may contain nitrites, 3,4-benzopyrene and other factors that have a carcinogenic effect, so try to eat less.