1, in the course of treatment, there is no need to avoid food, patients should take more high vitamin, high protein diet, in order to strengthen the nutrition, with radiotherapy. 2, should keep the irradiation area skin clean, avoid sun exposure, friction or mechanical trauma, do not abuse acid, alkaline, iodine, ointment and other drugs, found that the irradiated skin ulceration to find a doctor to deal with. Irradiation field marking line, must be clearly visible; daily skin can be washed with water, it is strictly prohibited to wash with soap to prevent the marking line washed off, slightly fuzzy to find a doctor with a special ink redrawing, do not take matters into your own hands, their own tracing or family members scratching, so as not to cause errors or inaccuracy of the treatment site. 3, general patients can successfully complete the entire radiation therapy process, some patients with poor physical condition, even if they can not accept surgery or chemotherapy, but can also complete radiation therapy. Radiation therapy in the process of the patient’s general reaction is generally relatively mild, due to irradiation sites and volume of different doses, coupled with physical differences, each patient’s response to treatment is not the same, a small number of patients have a slight fatigue, poor appetite or nausea, and a small number of patients with a drop in white blood cells; the latter category of patients is mainly after chemotherapy, bone marrow suppression, or large area radiotherapy, generally use the drugs to raise white blood cells, will soon be The latter group of patients is mainly due to chemotherapy, bone marrow suppression, or large area radiotherapy, generally after the use of leukocyte-raising drugs, will soon be restored; and purely localized, small area of radiotherapy is not obvious white blood cell decline. 4.The degree of local radiation reaction is related to the size of irradiated area, high and low doses and the presence or absence of other lesions in tissues and organs. In general, for brain tumor patients, after irradiation of head irradiation site, the hair may fall off, but after the end of treatment, the hair will grow soon; after irradiation of face and neck part, there may be dry mouth; after irradiation of chest with a certain dosage, there will be pain in swallowing, which can be tolerated generally, and can be continued to irradiate, and the pain will disappear soon after the end of irradiation; diarrhea occurs in the abdominal irradiation and it will stop soon after irradiation is finished.