Abstract: By surveying the present soil status in this nature reserve,the authors divided the soil into 4h/pes (brunisolic soil,cinnamon soil,loessial soil,purplish soil),and this paper gives an introduction to the soil,soil-forming factors,types of soil,and their regularities of distribution.According to the distributiong of forest vegetation and the corresponding elevation,16 sample plots were set up in this nature reserve to study the physical and chemical properties of those soils.The detailed description and analysis were given on morphological characteristics and physicochemical property of soil types in the reserve.

Key words: soil, physial and chemical property of soil, Hancheng National Nature Reserve for Crossptilon