PROBLEM TO BE SOLVED: To provide a premium management system which can give a player motivation to revisit a parlor and reduce the inventory of premiums which are not exchanged.;SOLUTION: The premium management system includes a premium management device 1 and a premium database 2. The premium management device 1 includes a means for specifying the number of acquisition of game medium acquired by the player from an input information, a means for receiving the combination of the number of exchange and premiums within an exchange limit based on the number of acquisition of game medium and the number of medium number of exchange unit, making the whole or a part of the number of the exchange as a keep number, making premium specification information correspond to this, furthermore producing premium keep data which match a premium keep ID consisted of a customer ID or a receipt ID issued by the premium management device, and memorizing this premium keep data in the premium database 2, and a means for extracting the combination of the prize matching to this prize keep ID and the keep number from the premium database and displaying it when the prize keep ID is input.;COPYRIGHT: (C)2009,JPO&INPIT
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