An experimental study was carried out on the cross2section crack2resistant property of 5 steel fiber reinforced concrete shear walls and 1 reinforced concrete shear wall under cyclic reverse load. Through the theoretical analysis of crack modes,the calculation model of cross2section crack2resistant capacity was established. The calculation formulas of cross2 section crack2resistant capacity were deduced,which were connected with that of reinforced concrete shear walls. The calculated results agreed well with the test results.