A vehicle seat 1 includes a seat unit 10, a lift-up unit 50 and a long-slidi ng unit 200. The lift-up unit 50 moves the seat unit 10 between interior and exterior of a vehicle via a door opening portion D2 that corresponds to a passenger seat position. The long- sliding unit 200 moves the seat unit 10 between a driver's seat position and the fellow passenger seat position. The lift-up unit 50 moves the seat unit 10 downward when the seat unit 10 is positioned at the driver's seat position, so that the seat unit 10 is located at a suitable position for driving.
