BT（BuildTransfer）模式因其具有缓解政府资金压力、提高投资和建设效率高等优势，在我国基础设施建设中应用日趋广泛。通过分析BT模式应用于轨道交通建设中的优缺点，结合南京地铁6号线机场线工程，从政策、管理和技术3个角度提出了我国轨道交通建设采用BT模式的建议。政策方面，须建立健全相关法律法规，制定科学合理的税收体制及保险规则；管理方面，双方应合理地分担风险及选择项目回购策略，适当情况下业主可调整管理深度；技术方面，BT模式给企业应用新技术带来契机。

BT (BuildTransfer) mode can reduce the financial pressure of the local government and can enhance the investment efficiency and the construction efficiency, therefore it is more and more widely used in the construction of infrastructures in China. In this paper, the pros and cons of BT mode applied in Metro projects are discussed, the experience of the application of BT mode in Line 6 of Nanjing Metro is presented, and suggestions are made for BT mode in Metro projects in China in aspect of policy, management and technology. The details of the suggestions are as follows: As for the policy, the government should establish and improve relevant laws and regulations, and should formulate scientific and rational tax systems and insurance rules; as for the management, both parties should share the risks properly and should select proper buyback strategy, and the Owner can adjust its management depth under appropriate circumstance; As for the technology, BT mode provides a good opportunity for the Contractor to apply new technologies. 