Abstract: The good and bad of ecology environment of western city affect the breeding and raise of competition power of western city, and powerful city competition power has important strategy sense to speedup the progress of western city and accelerate the equilibrium continued development of nationwide economy. Strengthening the ecology environment construction of western city must pay attention to: persisting the ideal of development persistently, averting “alone economy development” ideal; speedup the pace of countryside urbanization, easing the population to the pressure of city′s area environment; vigorously developing environment property, building ecology cities; pursuing the system of the assessing of invest item, guaranteeing the invest items of western cities to acquire economic results, ecological results and social results; strengthening the dynamics of ecology environment′s supervising, eliminating the source of pollution of the environment.