Method and apparatus for network service based on checking-in person

PURPOSE: A network service providing method based on an interesting person and a device thereof are provided to form relations through a main person by designating an interesting person directly registered in the real world as the main person. CONSTITUTION: Interesting person information directly inputted in a terminal is received(510). A main person is designated based on the received interesting person information(520). Users transmitting the interesting person information corresponding to the designated main person are detected. A virtual network is set based on user information about the detected users(530). The user information includes personal user information and external condition information related to the users. [Reference numerals] (510) Receiving directly inputted interesting person information from a terminal; (520) Setting a main person based on the received interesting person information; (530) Setting a virtual network based on user information about the detected users; (AA) Start; (BB) End