The invention discloses laser cleaning equipment for oil stain on a metallic surface. The laser cleaning equipment comprises a computer, a control cabinet, a laser, a galvanometer scanning system and an adjustable workbench, wherein the laser and the galvanometer scanning system are both connected to the computer through the control cabinet; the laser is capable of transmitting the generated laser beam into the galvanometer scanning system through a laser transmission fiber; the galvanometer scanning system comprises a reflecting lens, which is arranged in the galvanometer scanning system and is used for reflecting the laser, and a focusing lens, which is arranged at the bottom of the galvanometer scanning system; the workbench is arranged below the galvanometer scanning system. The laser cleaning equipment for the oil stain on the metallic surface, which is provided by the invention, has the advantages of high cleaning efficiency, low operating cost, energy conservation and environmental friendliness.