This paper defines the range of Chengyu Economic Zone through using the gravity model, then tuses SWOT analytical method to analyze this regional state and the overall development strategy, by relying on one pair of core superiorities, along with the first class development axis, by constructing the largest pairs of core city group of the west; by optimizing the structure of industry, by coordinating divided function, by formin the systems that cooperate and divide the work; by fully paying attention to the development of the middle city, by forming the optimized city structural system; by accelerating the opening to the outside world of the area and focusing on the protection of ecolcgical resource,