There is no high-speed rail in Changzhi, so if you want to take the high-speed rail, you have to go to Henan (Zhengzhou or Luoyang) to take it. In addition, Taiyuan and Linfen have bullet trains to Chengdu. <br/>However, taking the high-speed rail for long distances is not cheaper than flying, but the high-speed rail is still slower than the plane after all, so I suggest you consider taking the plane.