Ink is made up of colored (such as pigments, dyes, and so on), binders, filled (filling), additional materials, such as chemical composition of homogeneous mixture; printing and drying in the printing; there is color, adhesive paste with a certain fluidity. Therefore, the color (hue), body (thin, fluidity and rheological properties) and drying performance, the ink of the three most important properties. Their are many kinds of physical property will vary, and some very thick and sticky; and some are quite rare. With vegetable oil as binders, some resins and binders such as solvent or water. All of which is based on the printing substrate, printing method, the type of printing plate material and drying methods to decide.