Laser cleaning is green and efficient. Equipped with a suitable laser chiller for cooling, it can run more continuously and stably, and it is easy to realize automatic, integrated and intelligent cleaning. The cleaning head of the hand-held laser cleaning machine is also very flexible, and the workpiece can be cleaned in any direction. Laser cleaning, which is green and has obvious advantages, is favored, accepted and used by more and more people, which may bring important changes to the cleaning industry.