PURPOSE: To surely catch the progress of a work by displaying work pace maker based on work information, inputting work progress state into an input part for a worker, renewing work condition information based on the input information, and then displaying the progress information on a display part for a supervisor.

CONSTITUTION: Information of a work, which is able to be performed according to work condition information, is extracted from information of a schedule data memory 16 by means of a work information extracting part 14a. The extracted work information is sent to respective work stations 7 where working name, scheduled time and work pace maker are displayed on display part 7A for a worker. Consequently, the worker can easily perform an displayed work nearly in a scheduled time. Upon completion of the work, work progress information is input into an input part 7B for the worker, work condition is renewed by means of a data maintenance part 12, while progress information in work condition information is displayed on a display part 6A for a supervisor of a supervising station 6. Thus, it is possible to catch the work progress in respective work stations easily.