本文通过借助于异速生长理论,以陕西省区域经济为应用背景,分析陕西省城市结构演化特征,从而得出优化方案。即,陕西省的人口及经济产量的增长主要受中心城市西安的影响,而其周边城市的作用并不明显,所以促进陕西省经济产量的增长,就需要大力发展西安周边城市,这样才能从整体上加快陕西省的发展。 By means of allometric growth theory and the background of regional economy in Shaanxi Province, this paper analyzes the evolution characteristics of urban structure in Shaanxi Province and gets the optimal solution. In other words, the population and economic growth in Shaanxi Province are mainly affected by the central city of Xi’an, but the surrounding cities have not obvious effect. Therefore, to promote the economic output growth in Shaanxi Province, we need to develop the surrounding cities in Xi’an so that we can get a better result from the whole Accelerate the development of Shaanxi Province.