Abstract: The present invention relates to a self-service gasoline pump system with game functions in which a plurality of gasoline dispensers or pumps are respectively provided with a game device, and the game devices are connected in parallel to each other and to a controller. While a dispenses gasoline, the game device performs a game automatically whenever a predetermined certain amount of gasoline or charge is reached, or manually whenever the user pushes a button for starting games, so as to offer premiums to the user according to game points. The game results are displayed under the control of the controller.