On the fourth day after appendicitis surgery, if the stool is clear and there is no bloating or vomiting, you can eat a liquid diet on the fourth day, mainly egg soup, but you can also eat a little bit of fruit, but don’t eat too much, eat a small amount many times, try not to eat too cold fruit, you can use boiling water to scald it and then eat it. If there is no abdominal pain, bloating, vomiting and other abnormal discomfort after eating, you can add a little bit of semi-liquid diet, that is, a thicker porridge or steamed chicken cake. You can also drink a little bit of very badly cooked noodles, but you have to eat a small amount many times, do not eat too much if there is abdominal pain, bloating, vomiting and other abnormal conditions, you need to stop eating.