There are many classification methods of packaging printing, and the commonly used classification methods are mainly as follows.

(1) According to the printing plate used classification: gravure printing, letterpress printing (flexo printing), lithography printing (offset printing), screen printing, other printing.

(2) According to the packaging materials printed: paper and cardboard printing, plastic film printing, plastic sheet printing, metal printing, glass printing, ceramic printing, fabric printing, other printing.

(3) according to the packaging products and use classification: printing paper products (including paper boxes, cartons, paper bags, paper cans, paper cups, paper tube printing, etc.), plastic packaging products, printing (including is given priority to with plastic film and composite film of the soft packing bag printing and rigid plastic containers, etc.), metal packaging products, printing (including metal cans, metal box, metal cylinder and metal box printing, etc.), glass products packaging printing, ceramic containers printing, label printing, etc.

(4) According to the surface morphology of the substrate: plane printing, curved printing (including pad printing, flexible tube printing, glass and ceramic container printing, etc.), spherical printing.