As a symbolized project of Western-development and typical poverty-support railway, most part of the Yuhuai line is in Chongqing Though the research,it is shown that the construction of Yuhuai railway reduces the county’s transportation costs greatly In addition, Yuhuai railway construction greatly contributed to the overall growth in passenger and freight along the railway, and passenger traffic showed strong momentum of development in freight characteristics: After completion of the railway, passenger traffic totaled 252% average annual growth rate, total annual passenger turnover increased by 30%; average annual increase of 32% of total cargo; total annual freight volume increase of 244%The railway provides the facilities to promote the transfer of rural surplus labor force and to some extent, the great development of tourism in the region