摘要:The technological cooperation and technological innovation are not only the material and technological activities, but also the complex social process. The industry-university-research institute (IUR) cooperation cannot success without the social capital which is embedded in the cooperative members’ relation network. Based on the framework of social capital Nahapiet and Ghoshal concluded, this article analyzed the social capital factors which influence realization of industry-university-research institute cooperation from the structural, relational and cognitive dimensions. And it proposed some countermeasures to promote realization of IUR cooperation in the perspective of social capital.