To obtain a page holder of books, which has a small and simple structure to facilitate carrying by a bag, a suitcase, etc.

A rodlike pillow member (2) which supports the upper edge part (10a) of the book (10) is provided to keep handstand L-shaped locking members (5) provided at the plural places of the longitudinal direction of this pillow member (2). The locking members (5) are connected rotatably to this pillow member (2) on the axial center crossing at a right angle to the longitudinal direction of the pillow member (2) at the lower end part of the standing side (5a) of the locking member (5), extending in a vertical direction. The upper part pressing side (5b) of the locking member (5) is separated upwards from the upper surface of the pillow member (2), and is met at the upper surface of the pillow member (2).