1. Download and install related train booking applications, such as China Railway 12306 software.
2. Register an account in the application for real-name authentication.
3. Open the application and select the "Buy Tickets" option on the home page or menu.
4. Enter information such as departure station, arrival station and estimated travel date, and then click the search button to find available train shifts.
5. Select the train timetable that suits your needs from the search results list to see if there are any sleeper seats available for reservation. Pay attention to choose the correct type (such as hard sleeper and soft sleeper) and the number of beds (upper/lower/middle).
6. After determining the number of beds and seats to be purchased, complete the payment process according to the prompts. Payment can be made by credit card, Alipay and WeChat.