The matte coating which has a low gloss,becomes more and more popular for automobile coating,with features such as elegance,softness and so on,the flaws of matte coating can't be repaired by means of conventional method for bright coating.Therefore,this paper explores the spraying preparation,spraying process problems,paint slag control and production organization,method of combing and control paint defects,for peers to achieve the mass production of automotive painting matte color to provide ideas.