Film-coated salt-chemical board is a high-performance building material with excellent corrosion resistance and moisture resistance, and can effectively resist the erosion of various chemicals and moisture. Its surface coating makes it excellent in anti-fouling and easy-to-clean properties, while providing good UV resistance and extending its service life. Film-coated salt-chemical board also has high strength and wear resistance, and is suitable for a variety of harsh environments, such as industrial plants, chemical workshops and marine buildings.