Access control system and access control method using the same

An access control method performed by a server, the access control method comprising:

• receiving a first information from a target device located in a target area;
• wherein the first information is pre-stored in the target device,
• wherein the first information includes at least one of identifier of a first user and identifier of a first user terminal for the first user,
• receiving a second information related to a second user terminal for a second user;
• wherein the second information includes location information used for determining the location of the second user terminal and at least one of identifier of the second user and identifier of the second user terminal, and
• determining the first user terminal is matched to the second user terminal when the at least one of the identifier of the first user and the identifier of the first user terminal corresponds to the at least one of the identifier of the second user and the identifier of the second user terminal;
• determining the location of the second user terminal based on the location information included in the second information;
• wherein the location of the second user terminal is determined that the second user terminal is inside the target area or the second user terminal is outside of the target area,
• determining the location of the first user terminal as the location of the second user terminal when the first user terminal is matched to the second user terminal;
• and
• transmitting a message for allowing the use of the target device to the target device when it is determined that the location of the first user terminal is inside the target area.