This paper mainly discusses the typical problems of high-brightness pearl white and high-chroma crystal red bumper waterborne double coating colors during the import process.Pearl white:yellow phase warped feet,crystal red:black borders and zebra pattern(uneven coating).In view of the problems existing in the importing of these two colors,a systematic analysis of the causes was carried out,and measures were taken from the aspects of paint and coating process parameters,which successfully solved these problems.Accumulating more experience for the importing of high-brightness and high-chroma bumper waterborne double coating colors.