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. Three highs, one avoidance and one moderate amount: refers to high calorie, high protein and high vitamin diet, avoid iodine diet and moderate amount of calcium and phosphorus supplementation. Increase the supply of calories. 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 increase in metabolic rate caused by excessive thyroxine secretion. 2, to ensure the supply of protein: 1.5 grams of protein per kilogram of body weight per day, but should be limited to animal protein. 3, pay attention to the supply of vitamins: supply a rich variety of vitamins. Because of the high metabolic energy consumption and consumption of a large number 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, should ensure the supply, while supplementing vitamin A and vitamin C. 4, appropriate calcium and phosphorus supply: in order to prevent osteoporosis, pathological fractures, should increase the supply of calcium and phosphorus in an appropriate amount, especially for patients whose symptoms can not be controlled for a long time and the elderly. 5. Avoid iodine food and drugs: Iodine is the raw material for synthesizing thyroid hormone, and the presence of a large amount of iodine in the thyroid gland accelerates the synthesis of thyroid hormone. All kinds of iodine-containing contrast agents should also be used with caution. 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. Reasonable diet: 1. Suitable food: According to the patient’s usual diet, a variety of starchy foods, such as rice, noodles, steamed bread, 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 chosen. When low potassium, you can choose more oranges, apples, etc. 2, avoid choosing foods: avoid iodine-containing foods, seafood, soybeans, white radish, bamboo shoots, cabbage, corn, walnuts, iodized salt, etc. 3, pay attention to the food’s sex and function: from the point of view of Chinese medicine, food should be selected with nourishing effect of Yin, such as turtle, turtle, mother water duck, etc., and eat less warm, spicy and stimulating food.