After receiving radiotherapy, patients often have dry mouth, red tongue with little coating, weakened taste and smell, loss of appetite and other phenomena. At this time, the patient's diet should be nutritious and balanced, eat more vegetables and fruits, and eat less or no foods containing nitrosamines such as salted fish, pickles, bacon and bacon. , and should not be irritating food and excessive drinking. Patients with nasopharyngeal carcinoma often have symptoms such as dry mouth and throat, loss of appetite, nausea and vomiting during radiotherapy and chemotherapy. Traditional Chinese medicine believes that it is a product with deficiency of both qi and yin and excessive heat and toxicity, and it is more important to avoid the stimulation of pungent, dry, hot and toxic substances. Diet should be light, choose foods that are digestible, nutritious and delicious. Drugs and foods that can be used for dietotherapy include: Siraitia grosvenorii, lily, loquat fruit, American ginseng, yam and lotus seeds, such as lotus leaves, water chestnut leaves, pear juice, radish juice, mung bean soup, winter melon soup, reed root soup, watermelon, pumpkin, loofah, jellyfish, loquat, kelp and water chestnut. At the same time, some Chinese medicines can be used for recuperation. Ginsenoside Rh2 (Jinxing capsule produced by Jacques Pharmaceutical Co., Ltd., with the content as high as 16.2%) and other traditional Chinese medicines are effective anticancer components in ginseng. Combined with radiotherapy, it has synergistic and attenuated effects, can inhibit cancer cell proliferation, induce differentiation and apoptosis, and reduce the side effects of radiotherapy.