Self-adhesive stickers have the advantages of no brushing, no paste, no dipping, no pollution, saving labeling time, etc., a wide range of applications, convenient and fast. All kinds of self-adhesive labels can be applied to materials that are incapable of ordinary paper labels. It can be said that self-adhesive labels are a kind of universal label. Compared with traditional printing, the printing of self-adhesive labels has great advantages. The difference between the self-adhesive labels is usually printed on the label linkage, and multiple processes are completed at one time.