Research conclusions:(1)Six international transport corridors，four border crossings and"two main and two auxiliary" domestic transport corridor network pattern are built up according to the radial direction of" The Silk Road Economic Belt";(2)Currently，full use of existing facilities，solving customs clearance problems，srengthening the sourcing organization，unified freight rate and the operation of international freight are proposed in order to form channel effect as soon as possible;(3)China-Kyrgyzstan-Uzbekistan Railway，China-Pakistan Railway，Golmud to Korla Railway， Southern Xinjiang Railway Circle Line projects are suggested to be accelerated for an early form of“two main and two auxiliary" corridors in China;(4)Construction of railway junction terminals ( Region ) in Xi’an，Lanzhou，Urumchi and related railway border crossings need to be accelerated;(5)Research results can be used as an important reference for railway project implementation plan，construction timing along "The Silk Road Economic Belt".