To enhance the operation of a hydrant valve simultaneously with the weight reduction of a hydrant door.

This hydrant system 10 is constituted so that a hose housing part 36 and a valve housing part 38 are formed to a housing 12, and the hydrant door is mounted on the door opening part corresponding to the hose housing part 36 and the valve housing part 38. Valves containing a hydrant valve 54 for supplying fire-fighting water to a hose connection port are arranged to the valve housing part 38 and a hydrant valve on-off lever 60 is directly provided to the on-off drive shaft of the hydrant valve 54. A nameplate 64 for displaying an on-off direction and the operation method of the hydrant system is arranged to the hydrant valve on-off lever 60.