This project proposed to design a system to mark the workpiece (s) of the company (Thailand) CO.LTD P.C.S Machine current state of the system marks it. Use the how to write a good statement of 2 per piece of work, and when finished, 1 line to bring the workpiece to the total invoice with bag job to fill in the system, which will cause problems when the work statement is not adjacent to the workpiece, making him sometimes.May lose or forget the flyer lost or worn out to be oil and burn a good statement of 2 to 1, it causes loss of time without benefit.Experimenters collected data were analyzed and analyzed using the theory of cause-and-effect chart (Fish Bone Diagram), and can be linked to the process of solving the quality problem (QC Story) To find out the actual cause is caused by negligence of the employee and the materials used to make leaves. Job notification Those trials are designed and improved, marked pieces of work, particularly the work piece strap design with text field and important color according to the type of problem, and can be seen next to the workpiece. The straps work piece is made of PVC Paint Marker pens Uni in writing can be deleted by using the thinner straps, this could decrease the burning job invoice broken down to 1 and reduce corruption, the loss of a job with the statement.