After a patient’s surgery, many family members are often eager to give him or her nutritional supplements in the hope that the patient can recover quickly, but after surgery, the patient’s digestive function is weakened, so if he or she eats too early and takes too many supplements, it will be counterproductive. Due to the relationship between anesthesia and the disease itself, the digestive function of postoperative patients will be weakened to a certain extent, and they cannot digest food and absorb nutrients well. Therefore, postoperative patients should not eat too early. Postoperative patients should eat nutritious and easily digestible food. For the old and frail patients, the time for eating liquid and semi-liquid food should be extended appropriately to facilitate digestion. For general patients, after the condition stabilizes and improves, a normal diet can generally be given 5-6 days after surgery. Patients generally eat mostly sweet foods such as lotus root powder and orange juice during the consumption of liquid food. However, there are patients who are not used to sweet food and anorexia, and even nausea, vomiting; at this time, if the appropriate choice of lean meat or fresh fish soup, both to ensure nutrition and can enhance appetite, the patient may soon recover. The patient’s diet should not be too fine. After surgery, patients often take a high protein, high calorie diet, and ignore the intake of vitamins. The repair of the organism requires various nutrients, especially coarse fiber food. For patients who are bedridden after surgery, food containing coarse fiber can play the role of enhancing gastrointestinal activity and keeping stools open. Therefore, the diet should be accompanied by a certain amount of vegetables, especially green leafy vegetables is better. 1, appendicitis patients in life should pay attention to avoid excessive fatigue, to ensure adequate sleep and mental well-being, because this can avoid the body resistance to reduce the disease repeated. 2, we should pay attention to keep the stool smooth, patients with constipation tendency should be from diet and other aspects of conditioning, you can self abdominal massage, the condition is not easy to change can try to take laxative drugs, such as honey, hemp seed pill, laxative spirit, fruit guide, senna, etc., or use open plug. But this is only a temporary measure, not long-term dependence. 3, diet should be kept light, eat more fiber-rich food to keep the stool smooth. Generally speaking, for the warm nature of animal meat such as sheep, beef, dog meat should be abstinent, and onions, ginger, garlic, chili peppers should not be eaten. For those foods that have the effect of clearing heat and detoxifying dampness, such as mung beans, bean sprouts, bitter gourd, etc. can be selected and eaten.