Hyperthyroidism should try to avoid eating food containing high iodine element, such as sea fish, kelp, etc., also try to eat less spicy and stimulating food, should not drink alcohol. Patients with hyperthyroidism are in a state of hypermetabolism and sympathetic excitation due to the thyroid gland synthesizing and releasing too much thyroid hormone into the bloodstream, which results in the body being in a state of hypermetabolism and sympathetic excitability. Since iodine is a necessary raw material for the synthesis of thyroid hormone, patients with hyperthyroidism should strictly control the intake of iodine. Common foods with high iodine content are mainly seafood, such as kelp, sea fish, seaweed and other foods, which can be replaced by river fish, river crabs, river shrimp and other foods; in addition, try to avoid iodized salt, and should choose non-iodized salt for consumption. In addition, spicy and stimulating foods should be eaten as little as possible, and smoking and alcohol should be stopped. Patients with hyperthyroidism should seek timely medical treatment and standardize their treatment. Strictly control the diet in daily life, balanced nutrition, specific diet with can consult a professional physician’s advice.