Since the 2008 financial crisis, the negative impact of the dominant international monetary system of the US dollar on the world economy has become more and more obvious. Emerging markets urgently need to strengthen their own voice in the international monetary system. Based on this background, this paper reviews the process of the internationalization of Yen, and makes an in-depth analysis of the advantages and disadvantages of RMB internationalization at the present stage. Finally, based on the current situation, it is proposed that in this important strategic window period, relying on China’s foreign direct investment and Chinese banks to go global, vigorously promote the process of RMB internationalization.