The first stage is automotive sheet metal's professional cognition, sheet metal process cognition and safety protection, sheet metal fitter technology, body welding and cutting technology, aluminum body structure cognition and welding, rapid micro-repair of body damage, body parts replacement, body plastic parts repair, automobile damage repair, glue riveting technology and technical foundation;

The second stage is the professional cognition of automobile painting, the safety protection of painting technology, the cognition of painting technology and equipment, the welding and cutting technology of car body, the damage evaluation and pretreatment of car body, the grinding of raw edges, the application of putty, the grinding of putty (water mill and dry grinding), the painting in spraying, the masking technology, the application of topcoat, the technical basis of paint mixing, the spraying of plastic parts and the repair of painting defects.