1. Open official website 12306. In the upper right corner of the homepage of the website, you can see a "Login" button, click to enter the login page.
2. On the login page, enter your account number and password, and then click the "Login" button.
3. After logging in successfully, enter the personal center.
4. Enter the "Order Management" page, and click to enter the "Order Management" page.
5. On the "Order Management" page, you can see a "Historical Order" button, click to enter.
6. On the "Historical Orders" page, you can see an "ID number" input box. Enter your ID number and click the "Query" button.
7. You can check the ticket information, train number, seat number, departure time and other detailed information you purchased.