<p>A work managing system for managing B-to-B work wherein the reliability in control and the ease of operation are remarkably improved over the past. For this, the work managing system has a plurality of different work executing sites 4 for executing work assigned to them for an order received from an orderer 3 and a work control site 2 for instructing the progress of work to the plurality of work executing sites 4 and monitoring its progress while linking them with each other, where the work control site 2 and the work executing sites 4 exchange between those managing information relating to the instructions and monitoring of work through a communications network 5.</p>
