Many new indoor and outdoor coatings and decoration materials using diatomaceous earth as raw materials are increasingly favored by consumers at home and abroad. In China, it is a natural material for the potential development of diatomite indoor and outdoor coatings. It does not contain harmful chemicals. In addition to non-combustible, sound insulation, waterproof, light weight and heat insulation, it also has dehumidification, deodorization, and purification. The role of indoor air, etc., is an excellent environmentally friendly indoor and outdoor decoration materials.