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.