Based on the ecological footprint mode, the authors calculated and analyzed the land utilization ecological carrying capacity on Xichang city of Sichuan Province. The results showed that the per capita ecological footprint of Xichang City was 0.695541, which dropped to 0.610628 after deducting 12%biodiversity, and the per capita ecological deficit was 0.08491. The utilization level of resources per capita of Xichang City was much lower than that of China. From the compostion of ecological footprint, the ecological footprint of different land use types from big to small order, followed by arable land, fossil energy land, water area, construction land, grassland and woodland. At present, the development mode of Xichang city was mainly to consume natural resource stock.