智力资本已成为技术创新竞争力的核心载体。文章基于技术创新的投入与产出的基础模型，厘清了智力资本的国际化外流对技术创新的影响机制。实证发现，智力资本外流会对“本体国”的技术创新产生显著性正向影响，且比汇款效应，教育激励效应和网络效应更显著。进一步地以“门限特征”进行检验，研究表明了经济发展水平和研发投入水平与智力外流技术创新效应呈U型关系，人力资本水平和技术差距与智力外流技术创新效应呈倒U型关系。为此，通过相应的路径和制度安排来推动智力资本外流效应的有效性发挥，力图达成发展中国家的技术革新与发展进步。

Intellectual capital has become the core carrier of technological innovation competitiveness. The Paper is based on basic model of technological innovation inputs and outputs, to clarify the drain of international intellectual resources of the impact mechanism on technological innovation. It tests showed that the drain of international intellectual resources will take a significant positive effect on the technological innovation of "bulk power", compared to remittances effects (RE), education incentive effects (EIE) and network effects (NE) to technological innovation is more significant. Further, the "threshold characteristics" inspection, it shows that the level of economic development and the level of R & D investment have a U-shaped relationship with technological innovation, human capital and technology gap take inverted U-shaped relationship. To this end, constructing the appropriate path and arrangements to promote the effectiveness of the intellectual resources drain , in order to achieve technological innovation and progress of the developing countries.