将８０例甲状腺机能亢进症（甲亢）患者随机分为两组，治疗组５０例，对照组３０例。两组患者均常规给予抗甲状腺药物治疗，待甲亢症状缓解，Ｔ３、Ｔ４正常或接近正常时，加用甲状腺片４０ｍｇ／ｄ。治疗组在常规治疗的基础上给予地塞米松５～１０ｍｇ加入２％普鲁卡因２ｍｌ，分别注入甲状腺两叶内或结节内，每周１次，１０次为一疗程。结果治疗组甲状腺缩小显著，所需时间也较对照组短。 Eighty patients with hyperthyroidism (hyperthyroidism) were randomly divided into two groups, 50 cases in the treatment group and 30 cases in the control group. Patients in both groups were given antithyroid drugs routinely, to be relieved of hyperthyroidism symptoms, T3, T4 normal or near normal, plus thyroid tablets 40mg / d. The treatment group was given dexamethasone 5 ~ 10mg on the basis of routine treatment with 2% procaine 2ml, were injected into the two leaves of the thyroid or nodules, once a week, 10 times for a course of treatment. Results The treatment group thyroid shrinkage significantly, the time required is also shorter than the control group.