Abstract: Promoting the construction of transportation infrastructure is of great significance to the high quality development of Min Xin Axis Belt and the promotion of coordinated regional development. Based on the data of the traffic times, the stduy analysis the network density and level, temporal accessibility,daily communication area in Min Xin Axis Belt. The results showed that: The network density of Min Xin Axis Belt increased from 12.89% to 29.94%，Wuhan, Xi ’an and Nanchang cities was been ranked the top three. Significant increase in density and intensity of contact within the railway network.The multi level railway network identifies the core structure of urban agglomeration and its organizational structure to expand.The high level railway network was coincide with the regional development strategy. The urban accessibility has been greatly improved, significant differences in accessibility between scales of regional, provincial and urban.The development of high speed rail network has a significant impact on daily communication area of central cities. Some Suggestions were put forward according to the problems of the development of Min Xin Axis Belt railway.