Gypsum powder is an important industrial raw material. the color is usually white and colorless, and the colorless and transparent crystals are called translucent gypsum. Gypsum powder is one of the five major gel materials, which occupies an important position in the national economy and is widely used in many application fields such as construction, building materials, industrial moulds and art models, chemical industry and agriculture, food processing and medicine and beauty. Along with the development of gypsum products industry, various kinds of gypsum powder for different purposes have been promoted one after another, especially in the building materials industry, with the increasing number of high-rise buildings and the gradual progress of national wall reform work, gypsum powder has become a product in demand in the building materials market.