2. When purchasing tickets, you will be prompted on the "Confirm Order" page that "the hard seat of the car you purchased is sold out, and the system will automatically allocate a seatless ticket for you." At the same time, the "seat number" in the "order information" page is displayed as "no seat" in red, indicating that the purchased hard seat ticket is no seat.

3. If tickets are purchased at 12306 website, and the boarding and alighting stations have the conditions for checking tickets with resident ID cards, passengers can directly check in and out of the station through automatic ticket checking machines (gates) with the original resident ID cards used at the time of ticket purchase. On the designated route, you can purchase and use a railway bus card (China Railway Yintong Card or guangzhou-shenzhen railway Peony Credit Card) to enter the station.