To provide a fire hydrant device including a hose guide allowing a fire extinguishing hose to easily contact the hose guide without making an insertion port small.

The fire hydrant device is constituted to enclose the fire extinguishing hose 4 involutedly in a hose storage part inside a casing and to pull out the fire extinguishing hose 4 from an opening of the hose storage part. The fire hydrant device includes the hose guide 7 located in front of the hose storage part and having an insertion port 7a for inserting through the fire extinguishing hose 4. In the hose guide 7, the projection area of the insertion port 7a is variable with respect to the inserting direction A1 of the fire extinguishing hose 4.