You can eat oranges after surgery. The time of eating is related to the site of surgery, which is categorized into gastrointestinal surgery and non-gastrointestinal surgery. 1. Non-gastrointestinal surgery: such as limbs, head and neck, breast and abdominal wall surgery, etc., usually six hours after the operation, after the anesthetic drugs disappear, you can eat oranges normally. If the surgery is carried out under local anesthesia, you can eat oranges after the surgery; if it is a cranial surgery, you can eat after the patient is conscious. 2. Digestive tract surgery: It is recommended to eat oranges after one week after surgery, when the gastrointestinal anastomosis has healed and the gastrointestinal function has fully recovered, and after a normal ordinary diet. These surgeries include gastrointestinal tract, liver, gallbladder, pancreas and other digestive tract organs. The time and amount of food to be eaten after surgery should be under the guidance of doctors and nurses, and it is important not to eat too much.