From planning and filing to the completion of printed matter, printing must go through many procedures, combined with the professional skills of countless people, such as graphic designers, commercial photographers, copywriters, typewriters, artists, color separation technicians, printing technicians, Public workers, printing technicians, bookbinding, varnishing and various processing technicians, etc., without any one, can not successfully complete the printed matter, so they are all important contributors. Production process Printing professionals must understand various detailed production professions, have a good printing master, and understand each machine is more important. Each paper presents different textures and perfect processing for colors.