1. If you find that you lose your train ticket before you get on the train, first you need to register your lost ticket before you can buy a new ticket of the same class and same train as the lost ticket. You must do this at least 20 minutes before the train departs, providing your passport and the information of the ticket you lost, including train number, date, and seat class.
You need use your new ticket to board the train and ask for a proof from the train staff that you took the train, in order to get a refund at your arrival station.
After disembarking from the train, you can get a refund for your lost ticket at the arrival station ticket window, provided you show your new ticket, passport, and the travel proof within 24 hours. A small fee of about RMB 5 will be charged.
2. If you find you lose your train ticket on a train, to avoid paying a fine when you leave the arrival station, you must pay a member of the train staff the price of your ticket and get a receipt and a proof that you took the train.
If you find your lost ticket, you can get a refund at the arrival station provided you show your lost ticket, passport, receipt from the train staff, and the travel proof within 24 hours. A small fee of about RMB 5 will be charged.