To provide a bookmarker structure in which multifunction is provided to a bookmarker being only an item to be generally attached to a book and a document in reading.

The multifunction bookmarker has a transparent reinforcing flexible plate of a flat shape allowed to be in close contact with a paper surface of a document, a book, a news paper or the like in reading. The flat and transparent bookmarker body is provided with a guide plate moving along and is fitted into the guide groove engraved on one side of the bookmarker body, while the guide plate is provided with an enlarging lens part and a colored interline discriminating line for clearly discriminating the interline in the opened pages of a document, book or news paper or the like, allowing the guide plate to freely slide vertically and laterally relative to the bookmarker body. Or, the bookmarker body is provided with the enlarging lens part and the interline discriminating line for the documents, books or the like to constitute a slidable and fixable transparent single body.