Entrance guard visual intercom system

The invention discloses an entrance guard visual intercom system which comprises an electronic lock, a single-chip microcomputer, a visual intercom system body, a network communication module and a visual intercom mobile device. The electronic lock, the visual intercom system body and the network communication module are in communication with the single-chip microcomputer. The visual intercom mobile device is in communication with the network communication module. When the entrance guard visual intercom system is applied and a user calls a specific room through the entrance guard visual intercom system at an entrance of a unit building, the call can have access to an IP system. The call is prompted to an indoor interphone and a cell phone of the user. The user can receive the call through the cell phone or the indoor interphone. After the call is answered, the user can complete the visual intercom through an APP of the cell phone to open and close the door lock.