Abstract:The integration of science technology and finance, is the innovation development strategy under new normal economy, as well as an inevitable move to steady economic growth. Based on complex system theory, combined with the current situation of finance of science technology in Hebei province, this article analyzed the complexity of the structure of the finance- science technology system, the complexity of the collaborative process and the complexity of the system"s evolution. Aiming at three aspects respectively, we explore docking approaches for finance and science technology: the design of finance- science technology platform, the design of the cooperation profit distribution process, the information sharing mechanism and risk management mechanism, and the policy suggestions helpful for system evolution, in order to realize the integration of the financial services and the science and technology innovation and the structure transition of economic development in underdevelopment areas.