The invention relates to a high-temperature-wear-resistant anticorrosive paint and a preparation method and an application thereof, a combination of furan modified epoxy resin with a specific structure is selected as a film forming substance, the high temperature resistance, corrosion resistance and other properties of the epoxy resin and furan resin are utilized, and functionalized graphene is selected as a heat-conducting and anticorrosive component, epoxy polyether-polysiloxane is used as a dispersion functional component, good dispersion of graphene, the filler and other components is realized, the coating with good and compact appearance is prepared, the coating has excellent high temperature resistance, wear resistance, corrosion resistance and the like, can meet the high-temperature corrosion resistance requirements of the surfaces of the four tubes of the boiler, and meanwhile, the method has the advantages of simple process, simple operation, mild curing conditions, short time required for complete curing, low energy consumption ratio of the curing process, and high greenization degree of the process.