Abstract: Based on demand and supply balance analysis,an ecological footprint(EF) model of Chongqing City was established.The results show per capita EF deficit to be 1.2806 hm² in 2004,meaning that eco-economic system demand from human activities exceeds the region's natural system supply limit.The structure and function of the regional eco-economic system needs urgent readjustment as it already proves to be strongly asymmetric.Human consumption exhibits a simplex trend in ecological space.There is an intensification of relationship between the human element and the land element of the ecosystem.