Cold storage salt board is a building material specially used in cold storage environment. It has excellent anti-corrosion, anti-mildew and waterproof properties, and is suitable for long-term use under low temperature and high humidity conditions. Its surface has been specially salted, which can effectively resist condensation and mold growth caused by high humidity and low temperature environment in cold storage, while maintaining good thermal insulation effect. In addition, salt board also has the characteristics of strong durability, easy cleaning and not easy to deform, which is very suitable for cold storage, cold storage workshops and food processing plants and other places that require strict hygiene and environmental control.