Bauxite for refractory sand is an important refractory material made from bauxite fired at high temperatures. It has excellent high temperature resistance and chemical stability and is widely used in industries such as metallurgy and building materials. Its optimized particle size improves material properties, and with innovations in extraction and processing technology, bauxite’s resource utilization efficiency is significantly improved. In the future, bauxite research and development will develop in the direction of environmental protection, energy saving and high performance, providing support for industrial progress.