The railroad that become elder brother is southwest and even our country's important trunk railway, the Sichuan since north saves the Chengdu City, kunming town is visited south Na Zhiyun. Whole journey 353 kilometre, average speed per hour is less than 40 kilometers; Size of by way of 26 stations, without dot of carry out ticket, the passenger gets on a car first again buy ticket after normal time. The railroad that become elder brother passes through impoverished the Yi nationality is a mountainous area, fare did not go up 22 years, lowest 2 yuan, highest 25.5 yuan. Come 47 this years, be in deficit condition all the time. This is the carriage car, bus, car that help deficient up, school bus time... on this train, besides the person, still have gallinaceous duck sheep these domestic animals. Every week 5 with weekday, this train is the vehicle of child home going there and back and school. The student that has 6000 much person-time is taken " slow train " . The Yi nationality of along the line of 72 kilometers railroad is a mountainous area, majority did not connect a car, come a few years " slow train " it is local common people gives the mainest vehicle of travel. Someone says, accommodation train is the lifeblood of big cool hill, also be the one part with their essential life. So, full train although all the year round deficit, but meeting all the time operation goes down. Current, in transforming a project to undertaking into multiple track of elder brother railroad, predict finishing 2020. At the appointed time, chengdu can be amounted to 5 hours to kapok, reach Kunming 8 hours to be able to be amounted to.