Z236 is in the waiting room of Jintai Square in Changsha. According to relevant public information, the train starting with the word Z refers to the through express train. The train that starts with the word Z in Changsha depends on whether the train mantissa is odd or even, and the mantissa is even. Take the Beijing-Guangzhou line such as Z236, then take it at Changsha Railway Station, and go to the waiting room of Jintai Square through the convenient passage.