PURPOSE: To provide the maintenance management device of an electronic equipment capable of surely performing maintenance management with a simple structure without using a battery for backup.

CONSTITUTION: This maintenance management device 1 is constituted of a nonvolatile storage device 2 composed of a magnetic storage device for storing a maintenance period to be the reference of the various kinds of parts set beforehand and an erasable and rewrittable storage device exclusively for read, a time calculation device for calculating the using time of the various kinds of the parts and a central arithmetic processor 4 provided with a power supply control means for comparing the maintenance period with the using time, issuing an alarm corresponding to the compared result, storing the using time in the nonvolatile storage device 2 when a power supply to the electronic equipment is completed and generating the completion signal of the power supply.