1, we in the computer into the "12306 official website", and then click "Landing" and then enter the interface, as shown in the following figure.
2, the use of their own 12306 to enter their own account and password after landing to my 12306 interface, in the interface to find "common contact" and then click to enter.
3, then enter after we click the "Common Contact" option, and then we can see their previous added friends information, as shown in the following figure.
4, and now we can delete, such as a "delete" button after each record, you can delete a single contact, as shown in the following figure.
5, we can also select multiple, and then click the "Delete" button above, and delete multiple contacts, as shown in the following figure.
6, click the "Delete" button, pop-up Delete contact Confirmation window, click the "Confirm" button, you can successfully delete the saved in the common contact list of contacts, as shown in the following figure.