After sleeve gastrectomy, the patient’s stomach size is reduced and the digestive function will be affected, so the diet should be light and easy to digest and absorb, and do not eat too much at each meal, you can eat less and more meals. And should pay attention to light, and should eat liquid or semi-liquid food for a short period of time. Patients should be given parenteral nutrition and avoid food for about 1 to 3 days after sleeve gastrectomy. After 3 days, they can consume moderate amount of liquid food, such as rice soup, noodle soup, etc., and gradually transition to semi-liquid food, such as porridge, thin rice and other food containing more dietary fiber, which is beneficial to the recovery of the condition. After sleeve gastrectomy, patients should pay attention to light diet, eat more foods containing more vitamins and proteins, such as oranges, carrots, etc., which can replenish the nutrients needed by the body and promote the recovery of the disease. Avoid spicy and stimulating foods to prevent irritation of the intestinal mucosa, leading to adverse consequences. Avoid eating too greasy, indigestible, gas-producing and crude fiber food, chew and swallow slowly when eating, don’t eat too fast, too fast, too hot, too hard or too cold. After sleeve gastrectomy, patients should pay attention to regular review and seek medical treatment in case of any uncomfortable reaction.