To provide an air shower device easily catching dust included in circulated air by a water filter and preventing the dust from being attached again to a body or clothes of a person entering a room in the air shower device performing filtering with the usage of the water filter as a means for cleaning the air circulated in the air shower device.

The air shower device 1 includes a cleaning room 2, a dust collecting room 3, an air cleaning room 4 and a blower fan 5. A movable dust collecting belt 3a is attached to an inside of the dust collecting room 3, and an ultraviolet sterilization lamp 3b, a foaming device 3c, and cleaning liquid 3d are provided in order to clean the dust collecting belt 3a. The air shower device 1 filters and cleans the circulated air sucked by the cleaning room 2 with the water filter after being mixed with water 4a for the water filter fed by a water feeding pump 4b in a mixing room 8.