2. Click to open the WeChat software, enter the login page of WeChat, and then log in to the WeChat you use.

3. After logging in to the WeChat you use, the main page of WeChat will appear. On the main page, some information about recent chats will be displayed, and options such as WeChat, Address Book, Discovery and Me will also appear.

4. Click the "Me" option to enter the "Me" page.

5. After entering my page, there will be options such as payment, collection, photo album, card package and settings.

6. Select the "Payment" option to enter the "Payment" main page.

7. Browse the "Payment" main page, where you can see many options such as "Safe Payment", "Mobile Phone Recharge", "Train Ticket" and "Meituan Takeaway".

8. On the "Payment" main page, select the "Train Ticket" option.

9. Enter the main page of train tickets. On the main page of train tickets, there will be home pages, train tickets, air tickets, hotels, bus tickets and so on. And there will be a lot of inquiries about train tickets and air tickets.

10. On the main page of Train Tickets, find the "Order" option in the following line.

1 1. After entering the "Order" main page, all the information such as air tickets and flights you took will appear, so as to find your previous flights and ticket numbers.