The graphic part of lithography (i.e. the oil-absorbing part) and the non-graphic part (i.e., hydrophilic oil drainage lang V) are on the same plate P plane. Using the oil water exclusion principle, through special processing, make the plate parts selective wetting ability a blank part to hydrophilic oil resistance, and figure form part of the oil and water resistance, printing plate coated with education version water first, make the gap of the plate are water embellish W, the ra form part of the oil, no water, and then coated ink, make graphics part of lis.