To allow an operator at a monitoring center to easily obtain operating information of each automatic machine.

Operating information on each automatic machine 2 is housed in a monitoring server 1b. In the case that an objective automatic machine 2 of an inquiry is displayed on the fault information screen of a monitoring client 1c when the inquiry of operating information comes from the user of a machine 2, the row of the pertinent machine 2 is selected to designate the objective machine 2 of the inquiry. Operating information of the day and the next day of the designated machine 2 is retrieved by a monitoring server 1b to display operating information of the day and the next day of the machine 2 of the inquiring object by the client 1c.