Abstract: The article takes ten cities of Shanxi province for the objects of study: Xian, Tongchuan, Baoji, Xianyang, Weinan, Hanzhong, Ankang, Shangluo, Yulin and Yanan. It selects 4 aspects, such as the level of social and economic development, living standard, external economic and connection, infrastructure and transportation, 24 indexes all together and uses SPSS16.0 software with principal component analysis to study the competitiveness of the cities, obtaining the competitiveness scores. It selects distance index, time index and accessibility coefficient by the principle of shortest distance to measure the accessibility, getting the spatial pattern of the accessibility caused by different speeds and the numbers of cities that can be connected within hours. At last, it analysises the competitiveness scores, the level of accessibility and the relation between them. The spatial pattern of urban competitiveness and the level of accessibility takes Guanzhong region as the center showing "core-external" trend, and the cores are Xian and Xianyang, the competitiveness and the level of accessibility reduce progressively from the cores to surroundings. The level of accessibility and competitiveness enhances each other and achieves virtuous circle.