| The taxi passenger transportation is an important part of urban passenger transport system. Taxi not only have the effect of urban business card, and at the same time also greatly convenient urban residents travel, enlarge the urban employment, strongly promote the development of urban and regional social economy plays a very important role. Taxi fares are the most sensitive information city taxi passenger transportation market. Fair and reasonable rate should be able to fully response the taxi service level, the equilibrium of supply and demand situation, the enterprise operation situation, and the vital interests of the passengers and staff. From this sense, research was conducted to treat urban taxi rate adjustment problems, is undoubtedly necessary.City taxi fares should be able to response city taxi operation cost reasonably, the reasonable reaction city taxi passenger transport market supply and demand characteristic, is conducive to the development of urban economy and urban comprehensive transportation, is helpful for health of urban taxi industry internal expanded reproduction. Different cities at home and abroad are summarized in this paper theoretical analysis of urban taxi price adjustment in different periods, different cities at home and abroad were analyzed in different period city taxi price adjustment practical experiences, puts forward the necessity of Xi’an city taxi passenger transport price adjustment and main basis. Further research on different taxi pricing method, in contrast xi ’an taxi rate adjustment scheme on the basis of verify the feasibility of three methods. Put forward to ensure the smooth implementation of xi "an city taxi rate adjustment of the necessary security measures. |