The wide application of self-adhesive label printing and the continuous development of label varieties naturally promote the development of label printing technology. Label printing covers all printing methods such as flat, convex, concave, and net, and the application situation of each country is different. However, from the development trend of global labels in recent years, it can be seen that flexographic printing, narrow web printing, and digital printing have become new bright spots in label printing in European and American countries, as well as the development trend of label printing.