The present disclosure provides a foot-deck device and a vehicle. The foot-deck device includes: a bracket; two deck assemblies oppositely disposed on the bracket, the two deck assemblies each including a deck and a rotating shaft, the rotating shafts being pivotally disposed on the bracket, and the decks being disposed on the rotating shafts; and a linkage mechanism, the rotating shaft of one deck assembly being coupled to the rotating shaft of the other deck assembly through the linkage mechanism, the linkage mechanism being used to cause the rotating shafts of the two deck assemblies to rotate synchronously and cause the decks of the two deck assemblies to rotate synchronously to respective folded positions or unfolded positions.