Unified social credit code system is a subject identification code system based on citizen identity number and organization code. Implementing a unified social credit code system is to issue a unique and lifelong subject identification code to every citizen, legal person and other organization, and use this as a carrier to collect, inquire, enjoy and compare all kinds of subject credit information, which is conducive to promoting the enjoyment of credit information resources, reducing social management costs, improving public service level and improving social governance system.