China's porcelain industry prospered in the Song Dynasty,and kilns all over the country competed for beauty.Ge Kiln,Guan Kiln,Ru Kiln,Ding Kiln,Jun Kiln,known as the Song Dynasty five famous kilns.In the beginning,Jingdezhen Kiln was slightly inferior compared with these famous kilns.However,after the firing of blue and white porcelain,he has since gained a great reputation.This paper will discuss the development of bluish white porcelain in Jingdezhen in the Song Dynasty from the aspects of social reasons,material properties of fetal glaze,loading and firing methods and decorative expression techniques.