High thyroid hormone may be thyroid disease or pituitary disease, high thyroid hormone, need to go to the endocrinology department in time to clarify the cause. The main measurements of thyroid hormones are the values of serum T3 and T4. If the serum T3 and T4 are high, it can be caused by thyroid diseases, such as Graves’ disease, Hashimoto’s pre-thyroiditis, subacute thyroiditis and other diseases. In addition, patients with increased thyroid hormones may also be pituitary diseases, such as pituitary adenomas secreting excessive thyroid stimulating hormones, further causing elevated thyroid hormones. For patients with hyperthyroidism, anti-thyroid drugs such as methimazole and propylthiouracil can be taken orally under the guidance of a doctor. Radiation iodine or surgery can be used if necessary. Once high thyroid hormone occurs, patients are advised to go to regular hospitals to find out the cause of the disease. If a disease is diagnosed, the patient should actively cooperate with the doctor to take treatment measures according to the cause of the disease.