<;P>;PROBLEM TO BE SOLVED: To provide an anti-staining coating composition which has precipitates being easily picked apart, is small in viscosity increase, and is excellent in the stability for a long time, by combining a copper or zinc salt of bis (2-pyridinethiol-1-oxide) with zinc bis (dimethyldithiocarbamoyl) ethylene bisdithiocarbamate. <;P>;SOLUTION: The composition comprises a copper or zinc salt of bis (2-pyridinethiol-1-oxide) and zinc bis (dimethyldithiocarbamoyl) ethylene bisdithiocarbamate. <;P>;COPYRIGHT: (C)2007,JPO&INPIT