The train tickets bought on Zhixing are displayed on the desktop of the mobile phone.

If you want to buy a train ticket on Zhixing and display it on your mobile phone desktop, you can follow the following steps:

1. Open the "Settings" interface of the phone.

2. Locate and click the "Application Management" or "Application Settings" option.

3. In the application management or application setting interface, click "Notification" or "Message Notification".

4. In the notification or message notification interface, find and click the application that you want to display the message (here we take "Zhixing train ticket" as an example).

5. On the train ticket setting interface of Zhixing, find and click "Message Notification" or similar options.

6. Make sure that Information Notification or similar options are turned on. If this option is grayed out, it means that the application does not have permission to open message notification, and it needs to be clicked to enable it.

7. Once enabled, the message notification of Zhixing train ticket will be displayed in the notification bar of the mobile phone.

The versions and brands of different mobile phone operating systems and applications may be different. The above steps are for reference only.