To provide an inexpensive vehicle seat back with a good appearance in which not only a holding property of a waist of a seated person can be ensured but also a comfortable seating position can be ensured by certainly supporting a shoulder part regardless of a physique of the seated person.

In the vehicle seat back, both sides of a seat back body 1 is made to a side support part 5 continued to a central main cushion part 4 and obliquely and forwardly directed. The above side support part 5 comprises a waist support part 7 positioned at both lower sides of the central main cushion part 4 of the seat back body 1; and an upper shoulder support part 6 positioned at both upper sides of the above main cushion part 4 and capable of adjusting an angle thereof with this main cushion part 4.