Abstract:S&T and financing integration contributes to improve innovation efficiency and expand profit margin of financial capital. With the shortening transformation period from basic research into practical productive force, this integration extends to the front of the innovation chain. Dominant position in foundation innovation is becoming the focus of major country competition. From the perspective of innovation chain, this study puts forwards a logical framework of S&T and financing integration. For different innovation stages, the study analyzes the technology innovation goals, industrial development characteristics, and the rules of capital operation. Based on the co-evolution processes of S&T and financing, suggestions of S&T and financing integration development in China are provided.