There are many causes of high thyroid hormone, such as a high iodine diet, thyroiditis, and thyrotoxicosis. They can be treated with dietary changes, medications, radioactive iodine, surgery, etc. 1. High iodine diet: If the high iodine diet causes high thyroid hormone, the high thyroid hormone can be relieved by changing the diet and reducing the intake of high iodine foods such as seaweed and seaweed. 2. Thyroiditis: When the patient’s thyroid gland is affected by inflammation, the thyroid cells are destroyed, resulting in the release of thyroid hormones into the blood, thus resulting in high thyroid hormones in the blood. Glucocorticoids and beta-blockers can be used under the guidance of specialized physicians, 3. Thyrotoxicosis: Patients suffering from this disease will secrete a large amount of thyroid hormones, which will cause a series of uncomfortable symptoms when they enter the blood circulation. Antithyroid drugs (such as methimazole, propylthiouracil), iodine 131, and surgical treatment can be used under the guidance of specialized physicians. When the patient has high thyroid hormone, it is recommended to go to the hospital in time, according to the cause, choose the appropriate treatment plan, specific medication, follow the doctor’s instructions.