To provide a monitoring system capable of managing whether or not a monitoring person patrols prescribed positions on a patrol monitoring route.

This monitoring system is for managing monitoring of the monitoring person performing patrol monitoring. In the system, monitoring boxes 60 each for reading and transmitting a card ID stored in an IC card carried by the monitoring person are provided on a plurality of parts in the patrol monitoring route. Then, a management device 10 for receiving the card ID transmitted from the monitoring box 60 and storing it in relation to a box ID or the like is provided as well.