The invention discloses an intercom access control cloud management system and method, and a highlighting method thereof. The intercom access control cloud management system comprises an access control host, a mobile terminal and a cloud server, and a management platform is arranged on the cloud server; the access control host is installed on a housing estate (enterprise) unit door, and the mobile terminal is provided with an access control management APP; the mobile terminal can communicate with the cloud server and the access control host through the access control management APP, the access control host is provided with a lock control module, a keyboard, a camera, a card reader, a liquid crystal screen, a microphone, a loudspeaker and a communication module, a user can perform Bluetooth approach unlocking and visitor video call through the APP on the mobile terminal and can also send an unlocking verification code of the visitor, the management platform is provided with multiple levels of administrators to perform hierarchical management, the system is simple in structure, free of local area network and is convenient and efficient.