In this paper, based on the theory of social resources and entrepreneurship from the perspective of entrepreneur, we build the theoretical model of Business networks, Entrepreneurial learning and New Ventures performance. From the 178 questionnaires of the Pearl River Delta New ventures, applied with the software SPSS16.0 and LISREL8.7, the results show that ①Business networks has a positive significant on the Financial Performance and the Growth Performance. ②The Cognitive learning have a positive significant on the Financial Performance and the Growth Performance ,the Experience learning has a positive significant on the Financial Performance but a negative on the Growth Performance. ③Cognitive learning has a positive moderating effect on the relationship between Business networks and New Ventures performance, but Experience learning has a negative moderating effect on the relationship between Business networks and Growth Performance.