High speed train booking

Hi, you can either book the ticket online or get the tickets at the railway station.
Generally, the train ticket can be booked or bought ten days ahead. If necessary, for convenience, you can try to book one in the website:
https://www.travelchinaguide.com/china-trains/
The main railway station in Beijing are Railway Station, West Railway Station, South Railway Station.
As for the station in the other city, they are Railway Station, South Railway Staion and Hongqiao Railway Station.