1、Toppan Printing
　　Toppan Printing's like a seal of principle, like, some text and image projections upward, no part of the image is recessed, and then printed directly on the raised portion of color on paper, printing, you need at least 30 kg / cm2 pressure. Due to the large pressure during printing, the printing ink sauce thick finished, text and clear lines, colorful. But letterpress printing plate-making more difficult, when color, oil, ink uniformity is difficult to grasp. Sheet is not too large, it is best not played a four, but with the increase in the number of printing, layout will continue to wear, so that the number of prints is greatly restricted.
　　Toppan Printing applies to some chromatic little tag, clear film, envelopes, letterheads, labels, invitations, and so on.
Design should note the following:
　　(1) chromatic not too much, generally 3-4 chromatic appropriate.
　　(2) the use of ink and paper to enhance the performance of expressive arts, such as India gold, silver hot, pressure drum. 2.2 gravure printing of text and images concave recess beneath the layout, no part of the text and image is very smooth, and then fill in the concave portion of the ink sauce, the ink and the image is not part of the text wipe clean, then on paper printing.
　　Au intaglio printing is divided into two kinds of photographic plates. Gravure ink color with a thick, rich layers, colors and strong performance advantages. Used for banknotes, securities, stocks, stamps, and other pictorial quality. Good print quality, print run much faster, is a very good printing methods.
　　2、lithography
Lithographic printing, also known as offset printing, it is an indirect printing, lithography by early evolved. Lithography patterned text of the text with no pattern did not bump music, all in one plane. It is using the principle of water and oil incompatible part of the patterned film attached to a layer rich in fat, and no part of the text and pattern absorb water to form anti-ink effect.
　　In color, lithography largely unaffected by any restrictions, kaleidoscopic colors are available through the CMYK (CYAN blue, MAGNTA magenta, YELLOW yellow, BLACK black) overprint out ．
　　Lithographic printing plate is simple, low cost, good quality, suitable for high-volume printing. Commonly used in books, magazines, posters, packaging ....... Printing.
　　3、a screen printing
　　Screen printing, also known as stencil printing, which consists of silk, metal and synthetic materials, mesh, wax paper as the printed version, the hollow part of the pattern and text. Then scraper scraping pressure, the ink on the substrate through the wire hole hollow part of India ．
　　These are only the basic process is simple introduction of a variety of print, but made out of quality or have vastly different people, which requires years of printing experience to grasp a prospective teacher. Of course, the experience of failure is too numerous to be learned. You would it?