The system of multi-functional irresolute natural marble coating. The exterior multi-functional irresolute natural marble coating system consists of different functional coating, including alkali covered sealer coating, irresolute natural marble pattern coating, high-performance coating and high weathering mirror self-putty clean protective varnish coating which can be directly attached to the cement mortar, wood, aluminum and concrete base surface, while also can be used in other molding materials, prefabricated wall panels, insulation and other building materials to achieve superior efficacy in decoration and protection.