Hello, you can buy tickets for the intercity train from Changsha Gushan Station to Changde through the following methods:
Official website: You can purchase tickets through the official website of China Railway Customer Service Center (www.12306.cn).
Client: Download and install the China Railway 12306 client and purchase tickets through your mobile phone or tablet.
Automatic ticket vending machine: In the ticket hall of the train station, you can buy tickets directly from the automatic ticket vending machine.
Buy tickets at the window: You can go directly to the ticket window of the train station and show your ID to the conductor to buy tickets.
When purchasing tickets, please make sure to enter the correct train number, date and other information, and complete the payment according to the prompts. Have a nice trip!