Conclusion: Intubating and positioning of doublelumen endobronchial tube (DLT) with fiberoptic bronchoscope (FOB) can be successful at the first time.It is the optimal choice at present.

• 结论：纤支镜引导双腔支气管导管插管均一次成功，管端定位准确，是目前双腔支气管导管插管及定位的最佳方法。