There is no such thing as the best food after radiotherapy, patients can take appropriate supplements of high protein, high vitamin and high nutritional food. Patients during radiotherapy generally have a poor appetite, so they can eat less and more meals. If the patient is postoperative, the body is relatively weak, need to pay attention to diet and nutrition, diet should not be too monotonous. High-protein foods include meat, milk, beans and other foods, which can supplement the body’s essential protein and promote the recovery of the body. High vitamin diet is mainly vegetables and fruits in the content is relatively high, every day appropriate to eat some fresh vegetables, pay attention to cooking methods, especially green leafy vegetables, to maintain the color and flavor, can reduce the loss of vitamins. After radiotherapy should pay attention to food containing high nutrition, at the same time should pay attention to try to choose light and easy to digest food, and choose the right flavor, specific can be under the guidance of the doctor to choose.