Hyperthyroidism iodine 131 treatment for half a year did not recover, you can consider the option of switching to surgical treatment and other ways to deal with the need to determine the specific physical condition, under the guidance of the clinician for standardized treatment. Iodine 131 treatment for hyperthyroidism mainly destroys the follicular epithelial cells of the thyroid gland to further control the secretion of thyroid hormones, the effect is not good, you may need to consider switching to surgery for further treatment. Surgical removal directly reduces the normal tissue of the thyroid gland and reduces the secretion of thyroid hormones, thus achieving the therapeutic goal. After surgical removal, it is important to closely monitor the changes in thyroid function and standardize the use of medication under the guidance of the clinician.