Hyperthyroidism is referred to as hyperthyroidism. Clinical manifestations are typically hypermetabolic syndrome. Diet and nutrition should pay attention to three guarantees, two restrictions and one avoidance. Three guarantees: 1, to ensure the supply of energy: appropriate increase in the number of meals, appropriate increase in the intake of carbohydrates, can choose a variety of high starch content of food, such as staple foods such as rice, noodles, steamed bread, vermicelli, vegetables, such as taro, potatoes, pumpkin, etc. 2, to ensure that the intake of protein, animal protein accounted for the total amount of protein about 1/3, animal protein fluids, including eggs, lean meats, fish, shrimp, etc. 3, to ensure that Rich in vitamins and minerals, eat more liver, animal offal, fresh green leafy vegetables, vitamin preparations supplement when necessary. Two limitations: 1, limit the high dietary fiber-containing foods, such as coarse grains, konjac, celery, leeks, etc., especially for people with frequent bowel movements or diarrhea. 2, appropriately limit the supply of fat. Avoid: Avoid iodine-containing foods such as kelp, nori, hairy vegetables, iodized salt, etc.