To provide a method of transmitting and receiving data about a game and processing and displaying it, and data display terminals, for allowing a player to easily obtain on-site the data about a method or probability of winning the game, via the Internet, a satellite communication network or special software, then input and display data about the amounts of money invested in and gained through the game played by himself, and display balance calculation data about the game, etc.

First game data 20 about a game, such as a game played on a pachinko game machine or football lottery, is input to the data display terminals 6a and 6b via the Internet 1, the satellite communication network 2 or special software 3, and is subjected to input processing. Also, second game data 21 about the game, obtained by the player, is manually input and processed and the first game data 20 is displayed. Also, the second game data 21 and/or calculation data calculated on the basis of the second game data 21 is displayed on a display portion 7.