DEVICE, SYSTEM AND METHOD FOR MANAGING PRIZE

PROBLEM TO BE SOLVED: To provide a prize management device, a prize management system, and a prize management method for efficiently registering and modifying information about prize to be exchanged.SOLUTION: Prize amount of money group data 65a in which the number of prize amount of money group to which a prize to be treated as identical money value belongs and prize master data 65b in which the number of prize amount of money group and the number of balls to be exchanged are associated with each other by each prize code are stored to a storage part 65. When a prize amount of money corresponding to any number of the prize amount of money group set to the prize amount of money group data 65a is changed, the number of balls to be exchanged by each rate corresponding to the changed prize amount of money is calculated, and batch update processing of the number of balls to be exchanged by each rate that has the number of prize amount of money group set in the prize master data 65b is performed according to the calculated number of balls to be exchanged.