A currency processing apparatus, which includes a bill processing device for paying dispensing and depositing a bill, a coin processing device for paying dispensing and depositing a coin, and a stacked coin processing device for keeping a stacked coin, comprises inventory management means for administrating cash data of each of the devices, a memory for storing the cash data and remaining data, and controlling means for dispensing currencies deposited into the bill processing device and the coin processing device based on the remaining data stored in the memory and inventory amount in the coin-roll storing device.