The 2K varnish product was briefly introduced,and the relevant excellent performance of the product was explained.From the paint transfer system,the differences between 1K and 2K varnish equipment were explained.the appearance improvement effects of the same color upgraded from 1K varnish to 2K varnish were listed.According to the actual conditions on site and the differences between the operation and management of 2K varnish production line,the painting workshop control matters of the daily operation were listed.