Abstract: With having suffered exogenetic force destructive effect and compacting action about two thousand years, the physical and mechanical index of the Ch'in-Great Wall of the Warning States Period has good relativity with present actuality . Because of having developed many diseases, the ramming soil's pore is more larger and the dry density became lower. The mechanical index represents visible anisotropism. By using above-mentioned physical and mechanical index, we can give impactful datas and reference for protecting the costing cultural heritage.