The ecological footprint, ecological carrying capacity and ecological deficit from 1990-2008 of Wanzhou District of Chongqing Municipality are analyzed by the time series analysis of Ecological Footprint Model. The per capita ecological footprint of Wanzhou district, which is located in the center of the Three Gorges Reservoir region, increased from 0.698 hm2 per person in 1990 to 1.584 hm ² per person in 2008, up 4.65% annually; whereas the ecological carrying capacity dropped gradually, consequently with ecological deficit spreading all over the district. Cultivated land, grassland, water area, land for construction and land for fossil fuels made significant contributions to the ecological footprint of this district, respectively accounting for 30.63% , 25.56% , 2.80% , 8.99%and 30.44% . Measures and suggestions are also proposed for the sustainable economic and social development of the district.