To provide a pillow retaining sleeping comfortableness even in use by improving the stability, constituted to prevent the change in height of the pillow from extremely lowering.

This pillow A is provided with a support body 30 interposed between the upper face of an inner bag 10 storing fillers 11 inside the pillow and a pillow surface 20. The support body 30 is disposed at a position on a slightly lower side of the pillow A, stores the fillers 31, and is divided into four sections (p), (q), (r) and (s) by a vertical line (a) positioned in the vertical center and a horizontal line (b) orthogonally crossing with the vertical line (a), and the respective sections store the fillers 31. The inner bag 10 inside the pillow is divided and stores fillers 11, the inner bag 10 is composed of a horizontally long cervical vertebrae mounting inner bag part 15 positioned in the lower part of the pillow and a head part mounting inner bag part 16 positioned in the upper part of the cervical vertebrae mounting inner bag part 15, and the head mounting inner bag 16 is divided into three sections of a central part 17 and both left/right side parts 18.