VEHICLE SEAT

In a vehicle seat (S) having a seating portion (10) and a backrest portion (20), the seating portion (10) and the backrest portion (20) are provided with base plates (12, 22) detachably mounted to a frame (40), blocks (13, 23), spring plates (14, 24), and skin covers (16, 26), the blocks (13, 23) are arranged so as to form a predetermined space between the base plates (12, 22) and the spring plates (14, 24), and the spring plates (14, 24) are formed by a foam having an elasticity, and are deflected into the space at a time when a force in a direction of the base plates (12, 22) is applied to the spring plates.