Hyperthyroidism, or hyperthyroidism, requires regular blood tests, such as thyroid function, blood counts, liver function, and other indicators, in order to monitor the side effects of medications and to adjust the dosage of anti-hyperthyroid medications and treatment regimen. However, whether monthly checkups are needed depends on the specific situation. The specific conditions are as follows: 1. Initial treatment: It takes 4-6 weeks for the thyroid hormones stored in the thyroid gland to be emptied, so it takes 4-8 weeks for the symptoms of hyperthyroidism to be controlled. Thyroid function should be monitored every 4 weeks during treatment. Because of the unstable condition of patients in the early stage, blood counts should be monitored every 1-2 weeks after starting anti-hyperthyroidism medication, and liver function should be tested every 2-4 weeks to assess drug side effects. 2. Dosage reduction period: When the serum thyroid hormone reaches normal, the drug will be reduced every 2-4 weeks, and the dosage will be reduced to the maintenance dose in 3-4 months. It is recommended to draw blood once a month to check the thyroid function and other indicators during the dose reduction period to determine the changes of the drug after the dose reduction. 3. Maintenance period: Maintenance treatment is usually 12-18 months, and thyroid function can be rechecked every 2 months. Liver function and blood tests can be extended appropriately, mainly to determine whether there are drug side effects. Therefore, the blood test for hyperthyroidism patients after taking medication will depend on the stage of treatment and the condition of the patient, the patient can follow the doctor’s instructions, review on time, and if there is any discomfort, you can review at any time.