No loan means that banks, credit cooperatives and other institutions issue loans to money-using units or individuals, and generally agree on interest and repayment date. This 400,000 loan is the principal, and the interest is not counted together. Principal is the original amount of a loan, deposit or investment before interest is calculated. As a whole, the main body of an enterprise is at the same time, and it is juxtaposed in space at different stages, showing different professional forms.