To provide a front spoiler device attaining simplification of a lifting device and capable of being mainly applied to a large size motor-truck such as a cab-over type truck in the front spoiler device.

The front spoiler device comprises a front bumper mounted to a front part of a vehicle body and formed with an opening; a traveling wind introduction casing fixed to a back surface side of the front bumper and formed with an opening coincident with the opening; a movement member vertically movably mounted to the traveling wind introduction casing; a coil spring upwardly urging the movement member; and a front spoiler fixed to the movement member and stored at a back surface side of the front bumper at stopping of the vehicle. The movement member is downwardly moved in resistant to spring force of the coil spring according to increase of the vehicle traveling wind, and the front spoiler is successively projected from a lower part of the front bumper.