Abstract：China’s commercial banks interbank business have been developing rapidly recently. For better understanding of the current situation of commercial banks，this paper has carried on the related researches to the international and domestic interbank business，combed the development process of the international interbank business and the supervision reform after the crises，and analyzed the current situation and the main risk of the development of China’s commercial banks interbank business. Based on this，this paper also put forward the relevant policy recommendations.