The NF F19-293-1997 standard specifies the technical requirements, performance indicators and test methods for coatings for railway rolling stock. The standard applies to the design, construction and maintenance of external and internal coatings for railway rolling stock. It aims to ensure that the coatings have good weathering resistance, corrosion resistance and adhesion, so as to extend the service life of the vehicle and improve the aesthetics. The standard content includes the classification of coatings, performance requirements, test methods, construction conditions and related safety regulations. It provides a guiding basis for the selection and application of coatings for the railway industry, and helps to improve the painting mass and operational efficiency.