Dietary contraindications for hyperthyroidism are mainly iodine-rich foods, while it is recommended to avoid stimulating foods. 1. Iodine-rich food: the patient’s diet to try to avoid eating foods containing too much iodine, including seafood, such as shrimp, shellfish, marine fish, crab, kelp, seaweed, seaweed, etc., but also pay attention to the use of non-iodized salt. Because iodine is an important raw material for the synthesis of thyroid hormones, it is important to avoid the intake of iodine-rich foods. 2. Stimulating food: If the patient has the problem of hyperthyroidism, he should also avoid stimulating food and drinks, such as strong tea, coffee, etc., so as not to cause mental excitement and aggravate the clinical manifestations of hyperthyroidism. The diet of patients with hyperthyroidism is more important, to eat more high protein, high vitamin, high calorie food. Avoid stimulating foods and drinks, and prohibit the consumption of iodine-rich foods, such as purslane, marine fish, kelp, iodized salt and so on. Meanwhile, you should receive standardized treatment and regular follow-up.