In the wave of “Internet +”, online supply chain finance is the hot field of current research and B2B e-commerce supply chain finance is the core of online supply chain finance. This paper reviews current research from theory, features, model, decisions, game theory and risk management and point out the future research direction. The purpose of this paper is to show the overall face of domestic current B2B e-commerce supply chain finance research for researchers, and enlighten them to study further.