The refund fee will vary depending on the railway station where you purchased the ticket, the ticket type, the ticket purchase channel and the refund time. Generally speaking, refund fees include handling fees and the difference in ticket price. For specific refund fees, please log in to the 12306 official website or check the refund rules for specific tickets through the official APP to obtain the accurate refund amount. Generally, the earlier the refund time, the lower the handling fee. If you have purchased a train ticket, it is recommended that you contact the official channels as soon as possible to inquire about detailed refund information.