The present invention relates to a game supply system and method using a personal area network, a service server, a game relay method, a mobile communication terminal, and a storage medium. The game supply system includes a first end terminal (170) connected to a first mobile communication terminal (150) through a first personal area network (160) and configured to execute game data received from a game server (120). The first mobile communication terminal (150) is connected to a service server (110) through a mobile communication network (140) and configured to relay data between the first end terminal and the service server. The service server is connected to the game server through the mobile communication network, and is configured to authenticate the first end terminal and the first mobile communication terminal and request the service server to provide requested game data. The game server provides requested game data to the service server.