Calcium sulfate whisker(CSW) was an excellent,low price and green materials.Since the main use of non-renewable natural gypsum as raw materials,long-term exploitation of resources would inevitably lead to depletion of gypsum.At present,China used industrial by-product production of gypsum whisker to research focuse on the progress of phosphogypsum whiskers,pointed out that the current generated in the process of WPA mountains of phosphogypsum,full use of phosphorus gypsum production gypsum whisker would be a major trend in the future,and the market had great potential.