To provide an information recorded medium in which label information is easily indicated by an indication method and device by which label information can be indicated in accordance with information recording media like CD-R, DVD, LD, etc., and these methods and devices.

Label information is printed on a sheet 100 by a printer 20 and the sheet 100 is stuck on an information record medium 1. The supplied sheet 100 is a transparent sheet material made of a thin film not to give adverse effects against reading-out and writing-in of the recorded contents of the information record medium 1, even when it is stuck on the surface of the medium 1. And the sheet 100 can be peeled off from the information record medium 1. The contents of the label information can be easily changed by only exchanging the sheet. Label information corresponding to direct read after write type information record medium like CD-R, DVD, etc., for instance can be indicated.