Hyperthyroidism patients taking anti-thyroid drugs generally about a month after the metabolic state can return to normal, but there are individual differences, individual patients may need more time, it is recommended to adhere to the medication under the guidance of the doctor. Hyperthyroidism patients need to take anti-thyroid drugs under the guidance of a doctor, such as methimazole, propylthiouracil and other treatments, need to wait for the consumption of thyroid hormone stored in the thyroid gland after the use of drugs, generally in 2 to 3 weeks after taking the drug to reduce the clinical symptoms, metabolic status can be restored to normal in 4 to 6 weeks, so should be in the medication 4 weeks after the recheck of the thyroid function in order to assess the effectiveness of the treatment. When the symptoms improve and the thyroid function is close to normal, the drug dosage can be gradually reduced. It is recommended to adjust the dosage of medication under the guidance of a doctor and not to adjust the dosage without authorization.