Abstract: This paper demonstrates elements contents of soil in Ningxia and the high grade and yield of crops has closely relationship with the following soil chemical elements N,P,K,S,Fe,Mn,Cu,Zn,B,Mo,V,Sr,Ti,Mg,La,Ce,Pr,Nd,Sm,Eu,Y,Gd,Tb,Dy,Ho,Er,Tm,Yb,Lu,Ca,Co,Ni,F,Tl,Si,Na,Cr,Pb,Cd,Hg,Se,Ba,Te,Ta. The bring forward object, content, method, administration and prospect of ecology agriculture geology study.