Labels can be seen everywhere in life, such as food, daily necessities, industrial supplies, etc. there will be some labels. Labels represent the identity, which is not easy to be counterfeited, has the anti-counterfeiting effect, and can easily identify information. The traditional silk screen printing technology will fade, which is unreliable for anti-counterfeiting and environmental protection. At this time, with the emergence of laser marking machines, Marking is fast and does not fade. It can be said to unlock new skills.