Method for searching person of instant messenger using local area network

Searching whether or not in the short distance communication area of ​​the first terminal the second terminal is located and displayed, and obtains the user information from the second terminal to be automatically updated with the information in the IM participants. The second terminal is short-range communication module of the first terminal obtained above in the search for the second terminal which is located in the communication area in the local area communication to acquire information of the second terminal, and the messenger is registered in advance in the memory subject of a first terminal the judgment whether or not the instant messaging subjects having the same information, and displays the IM subjects having the same information as the information of the second terminal by short-distance communication is available activated, the short-range communication module of the first device and stores the acquired user information of the second terminal, and updates the information of messenger subjects that have been previously stored in the memory as the user information of the second device acquired by connecting the second terminal and the local area communication in the active state. Terminal, an instant messenger, a local area communication, Bluetooth, and the user information, update