As an important line in the "Two Bases and One Line" strategic layout of the Three Lines Construction, the Chengdu-Kunming Railway has greatly improved the transportation conditions, created transportation infrastructure conditions for resource development, transportation, and material circulation, and promoted the economic and social development in the Panxi ethnic area. With the opening and operation of the Chengdu-Kunming Railway, a large number of industrial enterprises and scientific research bases that have a significant impact on the national economy and national defense construction have been rapidly established in this area, promoting the urbanization and modernization of the cities along the line. The opening and operation of the new Chengdu-Kunming Railway has initiated a new pattern of cultural and tourism development in this area, stimulated new economic vitality, and thus promoted the high-quality and leapfrog development of this area. As a major transportation artery in Southwest China, the Chengdu-Kunming Railway has become a pioneer in the modernization development of ethnic areas and plays an important role in realizing the people''s aspiration for a better life and common prosperity in ethnic areas.