A control system 10 of a production line, containing a processing unit 20 from which a workpiece 101 processed is obtained, wherein the control system 10 has:the processing unit 20； anda control unit 11 for controlling the processing unit 20, wherein the processing unit 20 has a plurality of unitary units 30, wherein each of the plurality of unitary units 30 has a unitary unit identification code 1 to 8, wherein the control system 10 of a production line has an inspection section 40 for inspecting the workpiece 101 processed,wherein the inspection section 40 can communicate inside the control system 10 of a production line, andwherein the inspection section 40 has an evaluation section 50 in which state of the processed workpiece 101 is evaluated to obtain evaluation results； a data processing section 60 in which the evaluation results are associated with the unitary unit identification codes 1 to 8 of the processing unit 20 in which the evaluated workpiece 101 is processed； a storage section 71 in which the evaluation results are stored for each of the unitary unit identification codes 1 to 8； and a reporting section 81 by which the unitary unit identification codes 1 to 8 and the evaluation results are reported.
