A game screen configuration method is disclosed for a mobile game, wherein when a game screen comprising a background image and a plurality of object images is displayed, a game screen is displayed whereon perspective is expressed by affording relative size differences depending upon the screen locations of the objective images, without any specific vanishing points on the screen. According to such method for a screen configuration, dynamic changes in location and size information of the game objects that are generated as a user plays a game are reflected into the perspective of a 3D coordinate system so that a live 3D game screen can be effectively provided to the user.