The purpose of dietary treatment is that hyperthyroidism is an ultra-high metabolic syndrome, with an increased basal metabolic rate and enhanced protein catabolism, so it is necessary to provide high energy, high protein, high sugar and high vitamin diets to compensate for its consumption and improve the nutritional status of the whole body. If necessary, the nutrition metabolism should be adjusted with enteral nutrition related products. 1.The amount of energy supply should be combined with the clinical treatment needs and the appropriate amount for the patient. Usually increase 50%-70% compared with normal people. Each person should supply 12,55-14,64MJ (3000-3500kcal) per day. Avoid excessive one-time intake, increase the number of meals appropriately, and add 2-3 meals in addition to the normal 3 meals. When clinical treatment is carried out, the supply of energy and other nutrients should be adjusted according to the condition in time. 2. Increase sugar The supply of sugar should be increased appropriately, usually accounting for 60%-70% of the total energy. 3. Ensure the supply of protein The supply of protein should be higher than normal, and can be 1,5-2,0/kg per day. It should be about 1,3 /3 of the total protein. The supply of fat can be normal or low. 4. Supply rich vitamins to appropriately increase the supply of minerals, especially potassium, calcium, phosphorus, etc., such as diarrhea should pay more attention to supplementation, the use of vitamin B1, vitamin B2 and vitamin C-rich food, appropriate to eat more liver, animal offal, fresh green leafy vegetables, if necessary, supplementation of vitamin preparations. 5. Restrict food fiber should be appropriately restricted to contain more fiber Food. Patients with hyperthyroidism often have symptoms of increased bowel movements or diarrhea, so foods with a lot of dietary fiber should be restricted. 6. Others. Avoid iodine-containing foods and drugs. 7. Dietary deployment (1) Suitable food: According to the patient’s dietary habits, various starchy foods, such as rice, noodles, steamed buns, vermicelli, taro, potatoes, pumpkin, etc.; various protein foods, such as eggs, dairy, meat, fish, etc., and also ensure the supply of various fresh vegetables and fruits. (2) Avoid choosing foods: Avoid iodine-containing foods, such as seaweed, nori, hairy vegetables, etc.