With the social development and the improvement of people's standard of living, consumers in the purchase of goods, in addition to the intrinsic quality of the product, for the packing of goods also put forward higher requirements. Including both the merchandise packaging design requirements, including requirements for packaging the finishing quality. Partial compaction of printed material, trace, turn it spaces has some concave called indentation. Indenting techniques were originally used only for molding paper packaging boxes, then gradually applied to the surfaces of various types of printed matter, in particular higher grade paper box, paper box, trademarks, works of art, such as surface finishing processing. Now, the indentation technique is an important means of packaging design, not only on the quality and packaging of the final effect plays an important role, but also, to a large extent, improve the art of print results, gives the prints a new function, have become important means of printed value and promotions. Therefore, indentation technique more and more industry attention, are more widely used.