Self-perceived symptoms are common in patients with hyperthyroidism, such as panic, rapid heartbeat, fear of heat, excessive sweating, short-temperedness, fatigue, loss of weight, hyperphagia, and increased bowel movements. Some patients may also notice a thickening of the neck and protruding eyes. If the above signs and symptoms occur, you should go to the hospital in time to do the relevant examinations. Hyperthyroidism internal medicine anti-thyroid drug treatment, used to inhibit the synthesis of thyroid hormones, the efficacy of the treatment is certain, the method is simple. Its disadvantage is that the treatment time is long, at least one and a half years of regular medication, and the recurrence rate is high after stopping the medication. The use of radioactive 131 iodine in the treatment of hyperthyroidism is currently recognized as an effective method in the world. Iodine is the necessary raw material in the process of thyroid hormone synthesis by the thyroid gland. Concentrated radioactive 131 iodine causes the thyroid gland to be exposed to radiation, and part of the thyroid tissue is destroyed, so that the production of thyroid hormone is reduced and hyperthyroidism is alleviated or cured. At the same time, 131 iodine is in the process of decay of the beta ray radiation is shorter, the longest 2.2 millimeters, the impact on the tissues and organs around the thyroid gland is very small or basically no effect. Most patients’ condition can be controlled after treatment and cure can be achieved with one dose. A few patients require a second treatment. Late complications are mainly hypothyroidism, which is caused by insufficient synthesis and secretion or physiological effects of thyroid hormones. Low thyroid is not scary, as long as the right amount of thyroxine is supplemented, normal thyroid function can be maintained. To summarize, several methods of treating hyperthyroidism have their own characteristics, but relatively speaking, radioactive 131 iodine treatment of hyperthyroidism has the advantages of wide scope of application, simple method, safe and effective, less medication, and high rate of one-time cure.