This paper calculates ecological footprint, ecological carrying capacity, ecological deficit/remainder and other indicators of Langfang City during 2008 and 2010 by using "ecological footprint" model, analyzes sustainable development status of Langfang City by these indicators. Results indicate that ecological deficit of Langfang City shows an increasing trend year by year, which means that sustainable development of Langfang City is under an ecological pressure. In order to improve sustainable development capacity of Langfang City, and further remit contradiction of resources shortage, this paper proposes related suggestions in terms of optimizing industrial structure, strengthening farmland protection, increasing ecological diversity, scale of optimum population and changing consumption pattern etc respectively.