To provide a game medium lending system of high security, capable of receiving large-denomination bills by coping with paying of changes.

A token dispenser 2 set between game machine, a membership registration machine 5, and a settling machine 6 are respectively provided with fingerprint reading means 25, 52, and 64. The token dispenser 2 set between game machine and the settling machine 6 are also provided with key input means 24 and 63. In using a large-denomination bill, a member registers membership as well as fingerprint information in the membership registration machine 5. At the token dispenser set between game machine 2, a membership card is inserted, fingerprint information is inputted, and then a bill is charged. For a visiter, a PIN number is inputted by use of the key input means 24, fingerprint information is inputted, and a bill is charged. Every time of additional lending of medals or return of the membership card, fingerprint information need be inputted again. In settling for the remainder in the settling machine, the membership card need be inserted, or the PIN number inputted, as well as fingerprint information.