| Traditional "Bao Zhai" defensive settlement is a place which people live together. It has a strong outer structure which be made of raw material such as soil, wood, stone …etc. This passage analyze the change process of the traditional "Bao Zhai" defensive settlements in Shanjin and Mingan regions, deep analyze the social culture source of its formation, and then induce the history, nature, humanities that affect its formation's develop the factor, compare the the layout, characteristics and differences in the aspect of make use of the local materials and techniques. Finally, this passage compare the defensive character of this two regions from substantial and psychic facet, and then compare the defensive character with the city defense system. Aiming at the specialist of defensive settlement, this passage reveal that the defense the means of Bao Zhai village and the city defense system use for reference each other. |