High thyroid hormone in pregnant women is considered to be caused by transient thyrotoxicosis of pregnancy, Graves’ disease, subacute thyroiditis and other diseases, and requires targeted treatment under the guidance of a doctor, such as general treatment, medication and so on. 1. Transient thyrotoxicosis of pregnancy: the course of the disease is self-limiting, so it is generally not recommended to give anti-thyroid medication, close observation can be, regular physical examination. 2. Graves’ disease: need to take antithyroid drugs such as propoxythiopyrimidine, should not be treated with iodine 131 during pregnancy, and avoid eating high iodine foods such as seaweed and kelp in daily life. 3. Subacute thyroiditis: due to the more special during pregnancy, and this disease is a self-limiting disease, so try not to use medication, if the symptoms of hyperthyroidism is serious, you can use drugs to control the symptoms of hyperthyroidism. It is recommended that pregnant women with high thyroid hormones go to the hospital and ask the doctor to make a judgment and clarify the cause of the disease.