Abstract:Socio- economic development is one of important factor which could affect the biodiversity change. Three nature vil-lages of Baihualing administrative village of Baoshan, which different natural and socio - economic enendowment were selected of socio- economic survey and agrobiodiversity assesment. The results show that population and household change will cause the change of land resource management. On the other hand, according to the analyzing results of economic structure and income re-sources, there is indiscerptible relationship between rural economic development and biodiversity change in agroecosystem. Diver-sified cultivation is advocated in the rural area.