Nasopharyngeal cancer is known as “Guangdong cancer”, and its typical symptoms include blood in the nose, nasal congestion, hearing loss and enlarged lymph nodes in the neck. Once the diagnosis is clear, radiation therapy is the first choice for treatment of nasopharyngeal cancer, supplemented by chemotherapy and Chinese herbal medicine. Then, what issues should patients pay attention to during radiotherapy? First of all, before radiotherapy, patients should follow the doctor’s instructions, check and treat oral diseases, and remove dental caries, so as to avoid the decrease of body resistance after radiotherapy, and the extraction of teeth can lead to bacteria entering the body from the dental bed, causing osteomyelitis and osteonecrosis; before radiotherapy, patients should pay attention to rest, avoid exertion, strengthen nutrition, and not to eat half an hour before and after radiotherapy to prevent the formation of conditioned reflex anorexia. In addition to this, radiotherapy patients should also cooperate with the following points: 1. Lie still for half an hour after each radiotherapy, and pay attention to drinking more water. 2, pay attention to the protection of radiation field skin, underwear should be soft, wide, moisture-absorbent; avoid using soap and coarse towels to wipe the irradiated field skin; avoid hot and cold stimulation, do not use hot water bags or hot compresses locally; wear a hat to cover when going out in summer to prevent direct sunlight. 3, irradiation about 10-20 days, can successively appear oral mucosa edema, congestion, pain, reduced saliva secretion, dry mouth and other symptoms, patients should keep the mouth clean, available Dobelle’s liquid gargle, about 10 times a day; brush teeth with a soft-haired toothbrush, until the oral mucosa is normal. 4.Chinese medicine nose flush. According to the patient’s specific situation, choose suitable herbal medicine dosage to flush the nose daily to improve nasal congestion and mucous membrane damage in the nasopharynx. 5.In order to prevent temporomandibular joint stiffness and dysfunction, you should be persistent and do mouth opening exercise more than 300 times a day. 6.Rinsing of the nasopharynx should be performed according to the situation to keep the local cleanliness and improve the sensitivity of radiotherapy. 7.A high protein, high vitamin, easy to digest diet is recommended, avoid overheating, too cold, and hard, rough food. Eat more vegetables and fruits. 8, do not smoke and drink, avoid eating spicy, hot, fried and fatty products. 9, the combination of identification of disease and evidence, with the nourishment of Yin to support the right to clear the heat and detoxification of Chinese herbal regulation, reduce toxicity and increase the effectiveness. Self-care during treatment needs to be continued after completing radiotherapy, at least for a period of time, such as continuing to protect the skin in the irradiated area until all symptoms have disappeared. Do not try to rub off the marks on the treatment area, as these marks do not wash off easily and can irritate the skin and cause damage if they are washed off in a hurry. After radiotherapy, the patient’s physique has decreased to a certain extent, so there should be sufficient sleep and rest, increase nutrition, keep a relaxed mood, avoid strain, and at the same time, increase outdoor activities appropriately, such as walking, visiting parks, playing tai chi, doing radio exercises, etc., in order to strengthen the physique and improve the body’s ability to resist diseases.