Abstract: A process-state management system encompasses: a plurality of production machines; a control server configured to collectively control at least part of the production machines; a management server including a data-linking module configured to link operation-management data of the production machines with corresponding management information transmitted from the control server, respectively, the management server analyze the operation-management data linked with the management information with a common analysis application; and a management database configured to store the operation-management data linked with the management information.