As an important component of cast iron coatings, bauxite significantly enhances the performance and service life of coatings with its superior high temperature resistance, corrosion resistance and wear resistance. Through further processing and modification, bauxite can improve the uniformity and aesthetics of the coating, bringing new vitality to the development of the coatings industry. In the future, bauxite is expected to be combined with other advanced materials to promote innovation and sustainable development of coating technology.