To provide a management device for a game hall, which is capable of accurately managing the operation data of slot machines installed inside the game hall.

The management device 1 for the game hall includes: stop form determination means 11 for determining whether it is a normal end game for which reels are stopped corresponding to the operation of stop buttons or an idling game for which the reels are stopped by the control of automatic stop means; operation signal reception means 12 for receiving the operation data transmitted from the side of the slot machines 5 corresponding to the progress of a game; and operation data sum-up means 13 for summing up the operation data received from the side of the slot machines 5. The operation data sum-up means 13 is configured so as to separately sum up the operation data relating to the normal end game and the operation data relating to the idling game.