The railway is one of the main engines of the national economy, the key infrastructure and a major livelihood project. It is one of the backbone and major modes of transport for the integrated transport system. It plays a crucial role in China's economic and social development. To strengthen the modernization of the railway construction is of great significance to expanding the effective supply of railway transport, building a modern comprehensive transportation system, building a powerful transportation nation, realizing the goal of "two 100 years" and the Chinese dream of the great rejuvenation of the Chinese nation.