Hello, I'm from Heihe. How can I cancel or change my ticket for the train number 22 from Harbin to Taiyuan?

Log in to Railway 12306 to change or refund the ticket in person.
If you have already picked up the ticket, you cannot refund or change it online. You need to go to the counter of any train station to do it. In Heihe, you can go directly to Heihe Station to refund your ticket. If you bought your ticket online but did not pick up your ticket, you can directly log in to the 12306 official website to refund or change your train ticket. Now you can refund or change your train ticket. No handling fee
Log in to Railway 12306 to change or refund the ticket in person.
If you have already picked up the ticket, you cannot refund or change it online. You need to go to the counter of any train station to do it. In Heihe, you can go directly to Heihe Station to refund your ticket. If you bought your ticket online but did not pick up your ticket, you can directly log in to the 12306 official website to refund or change your train ticket. Now you can refund or change your train ticket. No handling fee