The embodiment of the invention provides an
access control unlocking method for making an appointment to visit, and a
system thereof. The method includes the following steps: receiving appointment visit information including visitor information, visited person information and
visit time, input by a visitor through a visitor appointing platform; collecting the face image of the visitor, and savingthe face image in the visitor information; querying an
access control database including a correspondence
list of the visited person information and
access control communication port numbers accordingto the visited person information in order to obtain a corresponding access control communication port number; and sending the appointment visit information to an access control
service system corresponding to the access control communication port number through a
cloud server in order to make the access control
service system control a gate unlock by face recognition when the visitor visits. Inthe embodiment of the invention, the appointment visit information is sent to the access control
service system in advance, and unlocking of the access control by face recognition is automatically realized when the visitor visits, so the
visitor management efficiency is improved, wastes of human resources are reduced, and the reliability of appointment visit is increased.