Securitization of credit assets is the process of converting financial assets that are not tradable into securities in tradable capital markets. There are many forms and types, of which mortgage securities are the most common form of securitization. Credit assets that are illiquid but have future cash flows (such as bank loans, corporate accounts receivable, etc.) are restructured to form an asset pool, and securities are issued on this basis. [1] Broadly speaking, credit asset securitization refers to the securitization of credit assets as the underlying assets, including the securitization of credit assets such as housing mortgage loans, automobile loans, consumer credit, credit card accounts, and corporate loans; The credit asset securitization mentioned is a narrow concept, that is, the securitization of corporate loans.