以Graves病为代表，探讨放射性核素131I在甲亢治疗学中的应用，归纳、总结和讨论131I在甲亢治疗中的适应症、剂量、联合治疗、疗效和转归。与传统治疗方法相比，131I治疗甲亢具有快速简便、不良反应少、治疗效果好、费用低等优点，逐渐成为甲亢治疗的主流方法，但治疗时需注意向甲减的转归

In view of Graves disease as a representative of hyperthyroidism，we discuss the application of radionuclide 131I in the treatment of hyperthyroidism. The indications, dose selection, combined treatment, efficacy and hypothyroidism in 131I therapy were summarized. Compared with the traditional treatment methods, 131I therapy for hyperthyroidism has advantages of fast, easy, less adverse reactions, high efficiency and low cost, and it gradually becomes the mainstream method of treatment of hyperthyroidism, but the treatment of hypothyroidism outcome should be paid more attention.