1. Appropriate food selection: According to the patient's usual eating habits, you can choose various starchy foods, such as rice, noodles, steamed bread, vermicelli, potatoes, pumpkins, etc. All kinds of animal foods, such as beef, pork, mutton, all kinds of fish, etc. All kinds of fresh fruits and foods rich in calcium and phosphorus, such as milk, nuts, fresh fish, etc. You can choose oranges and apples when potassium is low. \x0d\2。 Avoid choosing food: Avoid using foods containing iodine, such as kelp, seaweed, Nostoc flagelliforme, iodized salt, etc. Chinese medicines such as Muzhen Kunshi, seaweed, Prunella vulgaris, Salvia miltiorrhiza, Scrophularia, Cyperus tuber and Fritillaria thunbergii are also used locally. \x0d\3。 Pay attention to the sexual and taste functions of food: from the perspective of Chinese medicine, direct selection of food can nourish yin, such as soft-shelled turtle, soft-shelled turtle, duck and so on. Eat less warm, spicy and irritating food, such as roosters. Three highs, one ban and one moderate amount: refers to a diet with high calorie, high protein and high vitamins, avoiding breaking the diet and supplementing calcium and phosphorus in an appropriate amount. \x0d\4。 Increase calorie supply: adequate carbohydrate should be given daily to correct excessive consumption, and the daily energy supply is 12540 ~ 14630 dry coke (3000 ~ 3500 kcal), which is 50% ~ 75% higher than that of normal people, so as to meet the increase of metabolic rate caused by excessive thyroxine secretion. \x0d\5。 Ensure the supply of protein: supply protein 15g per kilogram of body weight every day, but limit animal protein. \x0d\6。 Appropriate calcium and phosphorus supply: in order to prevent osteoporosis and pathological fractures, the supply of calcium and phosphorus should be appropriately increased, especially for patients and the elderly who have long been unable to control their symptoms. \x0d\7。 Avoid iodine-containing foods and drugs: iodine is the raw material for synthesizing thyroid hormone. There is a lot of iodine in the thyroid gland, which accelerates the formation of thyroid hormone, so iodine will aggravate the symptoms of hyperthyroidism, so iodine-containing foods and drugs should be avoided. All kinds of iodine-containing contrast agents should also be used with caution. \x0d\8。 Pay attention to vitamin supply: it is advisable to supply main vitamins. Because of high metabolism and energy consumption, it consumes a lot of enzymes and lacks a variety of water-soluble vitamins, especially B vitamins and vitamin D, which are the main vitamins to ensure the intestinal absorption of calcium and phosphorus. Ensure the supply and supplement vitamin A and vitamin C at the same time.