Finance is the core of modern economy. The financial ecology of Chongqing has been improved in recent years, but it has not reached the economic development goal of Chongqing. This paper illustrates the basic principle of financial ecology and the relationship between Chongqing economic development and financial ecology. To set up a good financial ecology is the key step in constructing the economic center at the upper reachcs of Yangtze River for Chongqing.The status of improving financial ecology in Chongqing and the major problems asspcoated with it are also analyzed in this paper. The practical suggestions are given about how to set up good financial ecology in Chongqing.