To provide a one-size-fits-all page holder for a book, which can be compactly housed.

This one-size-fits-all page holder for the book has right and left rods as bases connected together by using telescopic rods, round bars as shafts erected on the upper parts of the right and left rods as the bases, respectively and holding bars for holding a page having holes in the ends, and the right and left round bars as the shafts are inserted into the holes for allowing the holding bars to be turned.