A system and a method for efficiently transmitting data during a team game in a CPNS environment, and a CPNS server, a mobile communication terminal, and an end-point terminal for the same. The CPNS server stores and manages information about both the end-point terminal and the mobile communication terminal, wherein the end-point terminal communicates with the mobile communication terminal through a wireless local area network and the mobile communication terminal executes the team game through the wireless local area network, and classifies and processes data to transmit only the required game-related data to the mobile communication terminal and the end-point terminal respectively.