The Lijiang Xiangfan Railway is led out from Lijiang station of Dali Railway, passing Tiger Leaping Gorge and Xiaozhongdian town to Shangri La in the north. The main line is 161 kilometers long. Li Xiang railway is the section of Yunnan section of Yunnan Tibet railway, the second railway to Tibet in China's "route to Tibet", and it is also the section of Dage railway. [1] Lijiang Xiangtan railway starts from Lijiang station of Dali Lijiang railway in the south, crosses the Jinsha River in the north, and passes through Xiaozhongdian to Shangri La. It has a total length of 139.666 kilometers (including 89 kilometers in Diqing Prefecture). The bridge tunnel ratio is 73%, and the relative elevation difference is 1390 meters. It is a class I single track railway. The construction period is 6 years, and the designed speed of passenger trains in the section is 120 km / h. The line connects Dali Lijiang railway and Chengdu Kunming railway through this railway and Guangda railway. It is an important part of the central and Western Railway Network in China's medium and long-term railway network planning. The construction of this line has been included in the national railway construction and provincial planning of the "Eleventh Five Year Plan" and the national and provincial development planning of the "Twelfth Five Year Plan". It is one of the 20 key construction projects determined by the national western development in 2009. The total investment of the project is 10.562 billion yuan, and the project construction uses full capital, including 25% of the funds in the central budget; Yunnan provincial government contributed 15%, and the rest was raised by China Railway Corporation through the establishment of Railway Development Fund. [2] In January and June 2019, the cantilever casting construction of block 1 of pier 8 was successfully completed for dugudang bridge of Li Xiang railway.