Provided is a data management method of a server, including receiving, from a first server, first data, in which a first identification (ID) associated with a device and a first encryption identification (ID) that encrypts an ID associated with an advertisement are mapped and second data, in which a second ID associated with the advertisement and a second encryption ID that encrypts an ID associated with the device are mapped; converting a second encryption ID associated with an electronic device, received from a second server, to the second ID based on the second data, and transmitting the converted second ID and third data to an advertisement service server; and converting a first encryption ID associated with the electronic device, received from a third server, to the first ID based on the first data, and transmitting the converted first ID and fourth data to a general service server.