Radiotherapy is one of the methods of malignant tumor treatment, but radiotherapy has some side effects while killing cancer cells. 1. Fatigue: During radiotherapy, the human body uses a lot of energy to recover itself. The stress brought by the disease, the daily round trip treatment and the effect of radiation on normal cells will lead to fatigue. And as the radiation therapy continues, fatigue will be felt more. When radiation therapy is over, the weakness and fatigue fade away. If you feel fatigued during radiation therapy, it is important to be less active and rest more during your free time. Go to bed early at night, and possibly rest during the day. 2, skin: After radiation therapy, the patient’s skin often becomes dry. Patients should treat their skin carefully. Here are some suggestions: (1) During radiation therapy for tumor patients, in order to protect the skin in the radiation area, the underwear worn should be loose and soft, preferably cotton absorbent underwear to reduce the stimulation of local skin such as friction and moisture, with special attention to the thin and wrinkled parts of the skin such as neck, underarm and groin. (2) Keep the irradiated area clean and dry. The irradiated field markings should be clearly visible and should be re-marked by the doctor if they are blurred. (3) Do not apply adhesive tape, red mercury, iodine and other irritating drugs in the irradiated field, minimize the application of soap and rubbing of the skin in the irradiated field, do not expose to the sun, and avoid scratching with hands to avoid aggravating the local skin damage. Avoid stimulation of all physical and chemical factors. (4) When erythema, burning and itching sensation appear on the skin of the irradiated area, gently pat the local skin with the palm of your hand. Apply triethanolamine cream, during which time the patient should expose, air and keep dry the skin in the radiation field and avoid using wet compresses. (5) If blisters or local ulcers appear, please seek prompt disposal from a doctor. (6) Do not expose the area receiving radiation therapy to sunlight during and for one year after the completion of radiation therapy. If you want to stay in the sun for a few more minutes, wear protective clothing (such as a wide-brimmed hat and a long-sleeved shirt) as well as use sunscreen. 3.Blood: If white blood cells and platelets drop, give blood-supplementing foods such as pork liver, pig’s feet, blood-raising drugs and Chinese herbs with treatment, and if necessary, transfuse component blood and suspend radiotherapy. 4.Diet: The most common problem of patients is loss of appetite, anorexia and sluggishness of taste, then we should patiently encourage patients to eat more, and the diet should be nutritious, light and easy to digest. The patient’s sense of sight and smell should be mobilized to increase appetite, and the patient’s usual favorite foods should be deployed, and the diet should be adopted in the form of less and more meals. (1) Nausea, vomiting and decreased sense of taste: Nausea and vomiting is one of the common side effects of tumor radiotherapy, mostly caused by gastrointestinal dysfunction caused by radiotherapy. The prevention and treatment methods are: at this time, patients should pay attention to bed rest and drink more water to facilitate the excretion of metabolites. Food should be carefully prepared, eat less and more meals, eat easily digestible food, do not eat too sweet, spicy and greasy and improper smelling food, eat salty snacks and food. Oral administration of vitamin B6, methotrexate and other drugs can reduce nausea. If vomiting is severe, intramuscular injections of methotrexate and other drugs can be given. Diet should be nutritious and clear of fire foods such as pears, green beans and silver ears. The sense of taste is reduced, the food is made more fragrant to stimulate appetite with aroma, add salt and seasonings can be slightly focused to make the mouth tedious to feel tasty some. Those with abnormal sense of smell and nausea and vomiting can add ginger juice to food or drink some Chen Pi tea (2) bloating, diarrhea: abdominal radiation therapy stimulates intestinal mucosa caused by accelerated intestinal peristalsis. At this time, it is appropriate to use easily digestible, slightly light, less greasy food, such as semi-fluid diet or less slag diet, avoid eating food containing more fiber and sticky, cold food. (3) Loss of appetite: Anorexia is one of the earliest symptoms and a side effect in the process of radiotherapy. If the loss of appetite is caused by radiotherapy, vitamin B6, digestive and appetizing drugs can be taken, and appetizing food such as hawthorn can also be chosen. If the general treatment of the above symptoms is not effective, infusion or stop of radiotherapy can be considered. Encourage the patient to eat more food, with nutritious and easy-to-digest food list. The patient’s sense of sight and smell should be mobilized to increase the diet already, deploy the usual favorite food and eat less and more. In general, radiotherapy will inevitably cause harm to normal cells of human body. It is suggested that patients should take some Chinese medicines with anti-tumor and fostering effects while taking radiotherapy, which can enhance the efficacy on one hand, and can reduce the side effects of radiotherapy and improve the immunity of human body on the other hand. Chinese medicine considers radiotherapy as a kind of heat toxicity, which can damage the body’s positive energy and yin essence, and also aggravate the original phlegm-heat, therefore, Chinese medicine should benefit the energy and nourish the yin, clear the heat and detoxify the toxicity, or clear the phlegm-heat, and be used according to the specific evidence.