Packaging printing can be classified in many ways, mainly including printing process, packaging materials, packaging form and functional characteristics.

(1) Classification by printing plate used: gravure printing, letterpress printing (flexographic printing), lithography (offset printing), screen printing, other printing,
(2) Classification by packaging materials used: paper and cardboard printing, plastic film printing, plastic sheet printing, metal printing, glass printing, ceramic printing, fabric printing, other printing.
(3) Classification by packaging products and uses: paper packaging product printing (including paper boxes, cartons, paper bags, paper cans, paper cups, paper tubes, etc.), plastic packaging product printing (including soft packaging bags based on plastic and composite films and hard plastic container printing, etc.), metal packaging product printing (including metal cans, metal boxes, metal tubes, metal boxes, etc.), glass packaging product printing, ceramic container printing, label printing, etc.
(4) Classification by surface morphology of printed materials: flat surface printing, curved surface printing (including pad printing, hose printing, glass and ceramic container printing, etc.), spherical surface printing,