Credit investigation management system based on block chain

The invention relates to the technical field of credit investigation management, and discloses a credit investigation management system based on a block chain. The system comprises the following steps: information registration: counting and classifying personnel information, combining the personnel information with the Internet, establishing a complete identity information classification table, and adding the information into a privacy protection module; information verification: after the complete identity information classification table is established, performing sharing by using B2B cloudplatform data, verifying information of related personnel while sharing is performed, and synchronously updating common information of the related personnel; credit investigation and division: after the identity information of the related personnel is synchronously updated and verified, analyzing the information and forming an information analysis table through a credit investigation network module, and then adding the in