Hyperthyroidism is hereditary. There are many causes of hyperthyroidism, such as living and eating habits, autoimmunity, heredity, endocrine disorders, mental factors, and external environment. Generally, hyperthyroidism is caused by diet, stress, mental and emotional factors and environment. It is a hyperthyroidism caused by excessive secretion of thyroid hormones and is a high metabolism and high consumption endocrine disease. At present, there are three main methods of treatment for hyperthyroidism: medication, iodine-131 radiation therapy and surgery, the most common being medication. The most common treatment is medication. Medication can take a long time, and during the period of medication, regular rechecking of nail function, liver function, kidney function and blood routine is required. Patients with hyperthyroidism should avoid eating spicy and stimulating foods. Patients with hyperthyroidism should eat less fish, shrimp, shellfish and other seafood, and forbid eating iodine-rich seafood such as kelp and seaweed, because iodine is the raw material for synthesizing thyroid hormones, and excessive iodine intake during treatment will aggravate the disease. Avoid strong tea, coffee and other stimulating drinks, keep a calm mood and prevent overexertion.