If it is before the surgery, appropriate more intake of liquid food, such as thin porridge, thin noodles, etc., these can make the food pass through the local stenosis as soon as possible. If it is after surgery, its appropriate to consume more foods rich in vitamins and fiber, such as fruits and green vegetables, etc.; appropriate to consume more fruits rich in B vitamins and C vitamins, such as kiwi, apples, duck pears, etc.; appropriate to consume more high quality protein with low fat and low cholesterol that helps the trauma recovery, such as fish, shrimp, leaner beef and mutton; also appropriate to consume more foods rich in unsaturated fatty acids such as walnuts, peanuts, sesame seeds, etc. If patients lose too much blood during surgery, they need to consume more iron-rich foods, such as red dates and eggplants. In conclusion, if you have any dietary discomfort or need special food after surgery, you can consult with the attending surgeon.