To perform the processings of ball/medal lending, ball/medal storage and replay, etc., in a game hall and the processings of prize exchange or the like in the cooperating member shop of the game hall by using a portable telephone or the like.

One, two or more management centers B in charge of the management of user identification information and the management of account settlement from a user to the game hall are provided. After the management center B is called from mobile communication equipment A and the user himself/herself is confirmed in the management center B, a paying processing to the game hall 1 by the user is activated in the management center B on the basis of the value information of game media to be supplied sent from the mobile communication equipment A to the management center B and the game media are supplied in the game hall 1. The user is made able to easily obtain lent balls/lent medals without a card or cash.