To provide a premium exchange system which enables a player to choose from among a wide variety of premiums.

Each machine information terminal 50 comprises a display means 12 to display information on the premiums to choose from, a means 14 to input selected premiums and a means 16 to input player identification data. WEB server 24 comprises a storing means 26 to store selected premium data inputted from each machine information terminal, an electronic order means 28 to send the selected premium data and the player identification data to a center server 52, an electronic settlement means 30 to electronically settle a premium payment between the game parlor and the center. A ball reserving server 32 comprises a means 34 to store data on the number of reserved balls in relation to the player identification data and a means 36 to update the number of reserved balls based on the selected premium data. The center server is connected to the WEB server and comprises a storing means 40 to store the data for producing information on premiums to be selected, an electronic order accepting means 42 to receive the selected premium data and the player identification data and an electronic settlement means 46 to electronically settle a premium payment between the game parlor and the center.