Abstract: A system for treating money in an automatic vending machine imposes a limitation on the kinds of bills (amount of money) and on the number of pieces of bills that are to be thrown in due to the program of the controller in the automatic vending machine, making it often difficult to cope with the use of various kinds of moneys, lowering the utilization of the automatic vending machines and decreasing the profit. To overcome the above problem, a device for treating the coins that are thrown in is electrically connected to communication means which receives and transmits data related to the throw-in of coins, and the communication means, the device for identifying the bills that are thrown in and the controller in the automatic vending machine are electrically connected together. Further, the primary side and the secondary side of the communication means select either a VTS system or a MDB system and, particularly, the primary side is of the VTS system and the secondary side is of the MDB system.