The recurrence of hyperthyroidism and then take medication has the possibility of cure. The recurrence of hyperthyroidism, white blood cells and liver function is normal, you can continue to choose the anti-thyroid drug treatment, such as taking methimazole treatment. Hyperthyroidism must be regular treatment, usually need a year and a half to two years. The recurrence rate is relatively low when the thyroid function is within the normal range and the thyroid receptor antibody (TRAb) is negative before stopping the medication. In order to prevent the recurrence of hyperthyroidism, usually pay attention to the low iodine diet, do not recommend eating seafood, such as sea fish, seaweed, kelp, etc., to adhere to the prescription of anti-thyroid medication, can not arbitrarily stop taking medication. Maintain a regular routine, do not stay up late, emotional tension and anxiety. If hyperthyroidism recurs repeatedly and you can’t insist on taking anti-thyroid medication, you can go to the hospital and consider iodine 131 treatment or sub-total thyroidectomy, but both treatments may lead to hypothyroidism, so it is recommended to treat under the guidance of a doctor.