目的探讨甲状腺癌术后放疗的方法。方法对我院1996年2月至2012年2月期间的50例甲状腺癌术后放疗住院患者(不包括复发者)的临床资料进行回顾性分析总结。结果有残存癌者术后放疗的5、10、15年生存率为82.5%、78.9%和70%,死亡12例;预防性放疗者5、10、15年生存率分别为100%、90%和80%。结论放射治疗的疗效与病理类型有关,行预防性放疗者无需行预防性照射。 Objective To investigate the method of postoperative radiotherapy for thyroid cancer. Methods The clinical data of 50 hospitalized patients with postoperative thyroid cancer (excluding relapse) from February 1996 to February 2012 in our hospital were analyzed retrospectively. The survival rates at 5, 10 and 15 years after residual radiotherapy were 82.5%, 78.9% and 70%, respectively, and 12 deaths after radiotherapy. The 5, 10 and 15-year survival rates of preventive radiotherapy were 100% and 90% And 80%. Conclusion The curative effect of radiotherapy is related to the type of pathology. Preventive radiotherapy does not require prophylactic irradiation.