The laser cleaning machine adopts high-quality MOPA structure, which has perfect laser characteristics and good pulse shape control ability. The pulse frequency and pulse width of MOPA fiber laser are independently controllable. By adjusting and matching two laser parameters, a constant high peak power output can be achieved and it is suitable for a wider range of cleaning scenarios. Can be used for cleaning precision products such as sheet metal, rail transit, ships, medical equipment, consumer electronics, sensor components, aerospace, new energy lithium batteries, fuel cells, etc.