Abstract: Types of cryolite production technology were introduced in detail.Also a detailed description on 4 current cryolite production technologies in China,including soda-aluminum fluoride acid method,clay-brine method,hydrofluoric acid-sodium aluminate method,and sodium fluosilicate-sodium aluminate method was made.Productin principle,process flow,norm quota of consumption of each method,and their advantages and disadvantages were mainly introduced.Lastly,development direction of cryolite was analyzed.