PROBLEM TO BE SOLVED: To provide a vehicle seat device capable of suppressing interference between a wheelchair and a vehicle body when a seat located in a vehicle cabin and a folded wheelchair are moved outside the vehicle cabin through an opening of the vehicle.SOLUTION: A vehicle seat device 10 equipped with a lifting device 11 that can be moved between a getting on/off position in which it is located outside the vehicle and an occupant can get on/off and be seated, and a vehicle cabin position in which it is located in the vehicle cabin, through an opening 6 of the vehicle 1 includes a lifting seat 15 disposed on one side of the top face of the lifting device 11, and a box-shaped storage member 16 disposed on the other side of the top face of the lifting device 11, in which a folded wheelchair 8 is stored.SELECTED DRAWING: Figure 1
