If the symptoms of appendicitis are mild and there is no abdominal infection, a liquid diet can usually be given on the first day of surgery, followed by a gradual transition to a semi-liquid diet, and then to a regular diet about 3-7 days after surgery. On the other hand, if the symptoms of appendicitis are more serious and cause intra-abdominal infection, the patient should fast for 2-3 days after surgery, and then give a liquid or semi-liquid diet after the abdominal infection disappears and the intestines resume peristalsis, and then slowly transition to a normal diet. After the transition to a normal diet, post-operative appendicitis patients should try to eat a diet rich in protein, dietary fiber and vitamin C. The following are the details of the diet: 1. 2, diet rich in dietary fiber: such as spinach, tomatoes, broccoli, etc., these vegetables are rich in dietary fiber, which can lubricate the intestinal tract, promote intestinal peristalsis, keep the postoperative patients’ bowel movements smooth, more conducive to physical recovery; 3, diet rich in vitamin C: such as some fresh oranges, kiwi, apples, etc., these fruits are rich in vitamin C and trace elements, which help Inhibit intestinal bacteria reproduction, promote intestinal peristalsis, and at the same time help to promote wound healing. In addition, the diet after appendicitis is as fresh and light as possible, try not to eat some spicy and irritating food, and to maintain a regular work and rest routine in daily life, avoid staying up late and straining. You can also do some exercises, such as walking and jogging, to help your body recover faster.