One body-two tubes"applicator can not only increase the intratarget dosage to improve the local control of tumor recurrence,but also it can reduce irradiation dose to the normal tissues.

• 结论：新型鼻咽癌施源器的设计应用及临床效果，在提高靶区剂量改善局部控制的同时降低了正常组织放射剂量，值得进一步临床推广应用。