The RMB ranks sixth in the world. According to the statistics of the International Monetary Fund (IMF), by 2020, the total global currency has reached 90 trillion US dollars, of which the US dollar is the most popular and widely used currency. The total amount of RMB is 19 trillion US dollars, accounting for 2. 1 1% of the total global currency. According to the ranking of RMB, it ranks sixth among global currencies. RMB is the monetary unit in People's Republic of China (PRC), and its development history can be traced back to the founding of New China. After the reform and opening up, the RMB has developed rapidly and gradually became one of the important representative currencies of the world's second largest economy. Renminbi is widely used in international trade and investment activities. With the increasing development of China's economy and the improvement of globalization, RMB will continue to move towards the top five in global currency weight.