Appendectomy after 1~2 days and exhaust, then eat the best. Because appendicitis surgery needs to anesthetize the patient, anesthesia drugs may affect the patient’s gastrointestinal function; at the same time, the surgical operation also has a certain stimulation effect on the gastrointestinal tract, after the operation may appear gastrointestinal peristalsis slows down, too early to eat and drink may aggravate the burden on the gastrointestinal tract. Usually, the effect of anesthesia basically disappears within 8 hours after appendicitis surgery. At this time, if the resumption of anal defecation, it proves that the function of the gastrointestinal tract is basically restored, and you can eat appropriately. At this time in the choice of diet should also pay attention to, usually first intake of liquid food to observe the digestive situation. Avoid spicy, stimulating, greasy and indigestible food. According to the recovery of the gastrointestinal tract, the diet can be gradually adjusted. To summarize, it is recommended to consult a professional doctor for standardized diagnosis and treatment.