Abstract: Abstract: Based on the past literature review in the special field of social capital, a conceptual model is developed to deduce the relationship among university social capital, organization innovation, and university performance. Considering the role of organization innovation, this empirical relationship is totally explored further between the university performance and three dimensions including structure, relationship, and cognition of the university social capital setting in the internal and external social network. The conclusions are based on the sample data of 69 colleges and universities in China. With the analysis of multiple linear regressions and the effects analysis in SEM, the model is acceptable, and the result shows that the property of college and the university have positive effects on teaching and research performance, and the mediation effect of organization innovation is confirmed. Also, through the SEM, the direct effects, indirect effects, and interactive effects of those variables are found. Except most theoretically proved hypothesis, it is remarkable that the result of effect analysis shows one path how the relational dimension of the university social capital has a negative effect on the organization innovation, and demonstrates the fact that the “excessive” trust and relationship could create encumbrance. Nevertheless, the total interactive effects of three dimensions of university social capital on university performance is certainly positive. At the same time, the property, the history, and the district of college and the universities are also taken into account.

Key words: university social capital, organization innovation, teaching performance, science research performance, social network