Aisso intelligent identity authentication is an intelligent, highly flexible and extensible single sign on identity management system. The system supports the management of LDAP, windows ad, CA certificate, QR code, face recognition, voiceprint recognition and other all-round user accounts and identity authentication. It provides powerful unified identity management, unified authorization management, unified audit management and realizes the requirements of unified security management center 。 The system also provides a rich and secure API interface for secondary development in the implementation process to meet the needs of the government, enterprises and institutions for identity management security.