The invention discloses an electric vehicle outer metal plate repair spraying process, and relates to the technical field of spraying treatment. The process comprises the following steps: a badly deformed plate is finished; an area to be repaired is cleaned by detergent, and is cleaned by clear water, and then, the surface of a part is cleaned by a finish paint diluting agent; the area to be repaired is polished; putty powder is sprayed for leveling and drying, then, a tackifier is sprayed for drying by 10 minutes, the thickness of the tackifier is uniformly scraped by a rubber scraper, the area to be repaired is always polished to form an inclined surface, the drying is performed by 30 minutes, and an abrasive paper is polished for edge collection; the tackifier is sprayed again to the polished repair area, middle paint is sprayed for leveling small pits, pin holes and polishing marks after drying, the area to be repaired is polished to form the inclined surface, and an original paint layer on a vehicle body is thoroughly polished; and paint and a curing agent for the vehicle body are diluted and mixed. The process is fast in curing speed, low in gravity influence, higher in flatness of sprayed plane and excellent in repair reduction effect.