The importance of anti-corrosion of roofing materials lies in that it can effectively extend the service life of buildings and reduce maintenance and repair costs. Anti-corrosion treatment can prevent roofing materials from corrosion and damage due to exposure to severe weather, chemicals and biological invasions, thereby maintaining the structural integrity and aesthetics of the building. In addition, good anti-corrosion measures can also improve the safety and energy efficiency of buildings, ensuring a comfortable and reliable living and use environment.