The diet of hyperthyroidism patients must pay attention to high calorie, high protein, high vitamin and supplementation of calcium, phosphorus, potassium, zinc, magnesium, etc. to correct the consumption caused by hyper-metabolism and improve the systemic symptoms. 1. Three highs, one avoidance and one moderate amount: refers to high calorie, high protein, high vitamin diet, avoid iodine diet, moderate amount of calcium and phosphorus supplementation, etc. Increase the calorie supply: (1) Sufficient carbohydrates should be given daily to correct overconsumption. Daily energy supply should be 12,540-14,630 kJ (3,000-3500 kcal), 50%-75% more than normal, to meet the increased metabolic rate caused by excessive thyroxine secretion. (2) Ensure protein supply: 1.5 grams of protein per kilogram of body weight per day, but animal protein should be limited. (3) Pay attention to the supply of vitamins: straight supply of rich multivitamins. Due to high metabolic consumption of energy and consume a lot of enzymes, a variety of water-soluble vitamin deficiency, especially the B vitamins. Vitamin D is the main vitamin to ensure intestinal calcium and phosphorus absorption, and should ensure the supply, as well as supplementation of vitamin A and vitamin C. (4) Appropriate supply of calcium and phosphorus: To prevent osteoporosis and pathological fractures, the supply of calcium and phosphorus should be increased in an appropriate amount, especially for patients whose symptoms cannot be controlled for a long time and the elderly. (5) Avoid iodine food and drugs: Iodine is the raw material for synthesizing thyroid hormone. With the presence of large amount of iodine in the thyroid gland, the synthesis of thyroid hormone is accelerated, thus iodine can trigger hyperthyroidism, which can aggravate the symptoms of hyperthyroidism. All kinds of iodine-containing contrast agents should also be used with caution. 2. Increase the number of meals: In order to correct the internal consumption, add snacks between meals in addition to the three main meals daily to improve the metabolic disorders of the body. 3.Meal preparation: (1) Optional food: According to the patient’s usual diet, a variety of starchy foods, such as rice, noodles, steamed buns, vermicelli, potatoes, pumpkin, etc.; a variety of animal foods, such as beef, pork, various fish, etc.; a variety of fresh fruits and foods rich in calcium and phosphorus, such as milk, nuts, fresh fish, etc. can be used. When low potassium, you can choose more oranges, apples, etc. (2) Avoid choosing foods: avoid iodine-containing foods, various seafood, seafood such as kelp and seaweed, soybeans, white radish, bamboo shoots, cabbage, corn, walnuts, iodized salt, etc. (3) Pay attention to the sex and function of food: from the Chinese medicine point of view, food should be selected with the effect of nourishing Yin and generating fluid, such as silver fungus, duck meat, etc., and eat less dry, hot, spicy and stimulating food.