PURPOSE: To make index information more understandable by providing an information write means for writing optional stored information which should be written in an information recording medium where the index information is recorded into the information recording medium.

CONSTITUTION: This device is provided with an input means 140 for inputting the optional information which should be written in the information recording medium provided in a photographic paper housing equipment 1 where the index information is recorded from the external, and the information write means 29 for writing the information which is inputted and stored in a storage means into the information recording medium. Since the optional information (character information such as a comment and a title and image information such as illustration) is inputted in the information recording medium by the input means 140 if necessary, the index information recorded in the information recording medium is made more undesirable.