According to whether the institution has guarantee requirements for loans, it can be divided into credit loans and secured loans. Credit loan refers to a loan obtained on the basis of the borrower's credit or the guarantor's credit. A secured loan refers to a loan obtained by a borrower or a third party providing a guarantee according to law. Secured loans include secured loans, mortgage loans and pledged loans.
Bank credit is an economic activity in which banks temporarily lend some deposits to enterprises and institutions for use, and recover them within the agreed time and charge a certain interest. Bank credit refers to monetary lending with interest as the intermediary. In this paper, the bank is used as an intermediary to define the credit form and its development stage. Only refers to the loan through the bank.