PURPOSE: To sharply decrease a time until the restart and stop of entire equipments is ended at the time of meeting the opportunity of the restart and stop of the equipment, in the restart and stop suited to the schedule operation of the equipment.

CONSTITUTION: A program 11 which operates a schedule operation holds the controlled result of the start or stop suited to the schedule of the equipment as state data 14 in a main storage device or an auxiliary storage device, based on a schedule data 13 of the equipment held in the main storage device or the auxiliary storage device. A program 12 which operates the restart and stop of the equipment operates the restart and stop of an equipment 15 based on the state data 14 of the controlled result of the restart or stop suited to the schedule of the equipment held in the main storage device or the auxiliary storage device.