The minor and trace elements in the bluish-white porcelain bodies of Fanchang kiln in different dynasties were determined by instrumental neutron activation analysis (INAA). Multivariable statistical analysis of the experimental data was carried out by SPSS software. The results show that the contents of Yb

Ta

Hf and Th varied notably between early and middle North Song Dynasty. The chemical compositions of Fanchang porcelain bodies can be divided into three groups corresponding to Five Dynasties

early Northern Song and middle Northern Song. Combined with the results of major elements analysis

we think that the raw materials of Fanchang kiln varied in different periods and the using up of fine raw materials was the main reason of Fanchang kiln’s decline.