The application and influence of calcium carbonate in various industries is relatively large. In the paper industry, calcium carbonate can make the paper have good brightness, firm structure, easy writing, uniform coating, low friction, easy moisture removal, and easy drying. In the plastics industry, calcium carbonate can play a skeletal role in plastic products; in the paint industry, the amount used in thick paint is more than 30%; in the chemical building materials industry, calcium carbonate has heat resistance, chemical corrosion resistance, and cold resistance , Sound insulation, shockproof, easy processing and other characteristics, can replace paper and wood in packaging, building materials, pipes and other aspects. In addition, the application of calcium carbonate in medicine, food, feed and other industries should not be underestimated. It is also an advanced powder material that enhances the market value of the industry.