Different parts of the surgery, the postoperative diet is different, can be analyzed from the following points: 1, small wounds on the skin of the limbs, lipoma excision, abscess incision and drainage, etc., under local anesthesia can be a normal diet for minor surgery, such as noodles, rice, green vegetables, dumplings, meat, eggs, milk, fruit, etc., can be eaten, dietary attention to prohibit spicy and stimulating food, fried food, alcohol; 2, if it is the extraction of teeth, the post-operation Should be fasted for 8 hours, the diet of fluid, semi-fluid food, to avoid food stimulation aggravate the damage of oral trauma; 3, if the gastrointestinal surgery needs to be carried out under general anesthesia, postoperative fasting should be fasted, to be awake and intestinal excretion can be a small amount of fluid, such as rice soup, etc., and thereafter according to the patient’s postoperative recovery situation gradually resume the diet, from fluids, semi-fluids, soft food, general food, according to the patient’s condition in order to progress, the diet choose easily digestible, easy to digest, easy to eat, easy to drink. Foods that are easy to digest and absorb, such as noodles, dumplings, egg custard, chicken soup, fish soup, etc., should be chosen for the diet. In addition, the postoperative diet should also take into account whether the patient has any underlying diseases, such as diabetes patients should control the intake of sugar.