This standard describes the salt spray test method of aluminum and aluminum alloy anodic oxide coatings, organic polymer films and other materials in detail, including test conditions, reagents, equipment, sample preparation, test procedures, and result representation and test report. It is suitable for measuring the salt fog corrosion resistance of these film materials to ensure their service life and Reliability in humid and corrosion environments. This standard provides a normative basis for mass testing of related materials, which is widely used in construction, aerospace and other fields.