In order to make relevant personnel understand the GB/T 33254—2016 The Classification of Package Printing Materials and GB/T 33255—2016 The Classification of Package Printing Products in a timely and accurate manner, these 2 national standards were interpreted in detail, and the impacts on enterprises and industry were analyzed. The formulation of the two national standards has followed five basic principles of scientificity, systematicness, extendibility, compatibility and applicability. Facet classification and linear classification were adopted. These two national standards could standardize the classification management of enterprises, improve production efficiency, play the leading role in the industry, and promote the orderly development of various standardization operations.