In the field of loans, there is a folk saying. The interest rate of private loans is a few ten thousandths. So I know that 1% refers to the interest rate of 0. Interest rate and one ten thousandth of the interest rate. When calculating the loan interest rate level, the annual interest rate is generally a few percent and the monthly interest rate is one thousandth. If it is a daily interest rate, it is expressed as a few tenths of the principal, usually called a few centimeters of the daily interest rate. For example, if the daily interest rate of the loan is 1%, then the principal is 1 ten thousand yuan and the daily interest rate is 1 yuan.