Personal credit report refers to a formal and legal report formed by the relevant national credit reporting agencies based on the collection and processing of personal credit information. Under normal circumstances, according to users' personal applications and requirements, credit reporting agencies will provide personal credit information inquiry and evaluation services. At present, banks are the main actors in checking credit information, and usually make inquiries when users conduct various consumer credit businesses. Generally speaking, if the user's credit information is good, it will help the bank to carry out relevant credit business as soon as possible; However, once the user's credit information has problems, it will affect the handling of personal credit business, and in serious cases, the bank will refuse its loan request.