It is intended to make possible informing, at the time of maintenance for regular inspection or the like, personnel in charge of any part where a trouble is predictable to enable them to perform inspection or maintenance before the trouble occurs and thereby to reduce the duration the failure of the apparatus. A bill handling apparatus 1 is provided with a conveyance path 10 for conveying bills among a deposit/withdrawal unit 9, bill boxes 3-6, a rejected bill box 7 and a temporary stocking box 8, wherein sensors 31-46 for detecting passage of the bills are arranged on the conveyance path 10, and there are further provided a conveyance monitoring/ control unit 213 for monitoring a conveyance status of the bills in each of sensor sections on the conveyance path on the basis of front end passage times and rear end passage times of the bills at the sensors and a display device for perceivably outputting a result of monitoring by the conveyance monitoring/control unit 213.