To automatically correct accounting process information corresponding to complicated variation in a period of fixed assets when redemption information on the fixed assets.

A fixed assets management system 13 is installed in this enterprise information managing device. The fixed assets management system 13 generates a redemption schedule corresponding to multipurpose accounting processes of in-enterprise management and disclosed accounting, allows the complicated dealing variation in the period of the fixed assets, and has a function of generating proper accounting journal information through retroactive processing of absorbing differences in a redemption schedule after the month when redemption is already determined if retroactive corrections of the redemption schedule of the fixed assets which is already determined every month.