Digital RMB adopts a two-tier operation system. That is, the People's Bank of China does not directly issue and exchange the central bank's digital currency to the public, but first exchanges the digital RMB to designated operating institutions, such as commercial banks or other commercial institutions, and then these institutions exchange it to the public. Operating institutions need to pay 100% reserve to the People's Bank of China, which is the conversion process of 1: 1 This two-tier operating system is basically the same as issuing paper money, so it will not have a big impact on the existing financial system, nor will it have a big impact on the real economy or financial stability. The concept of digital RMB has two key points. One is that digital RMB is legal tender in digital form; Another point is that it is equivalent to paper money and coins. Digital RMB is mainly located in M0, that is, cash and coins in circulation. Mainly positioned as cash payment voucher (M0), which will coexist with physical RMB for a long time, and is mainly used to meet the public's demand for digital cash and help inclusive finance.