2. Click 12306 Railway Customer Service Center official website, in blue official website font. As shown in the figure below:
3. Log in at the top right corner of the pop-up interface, as shown in the following figure:
4. After logging in successfully, find "Common Contacts" for common information management in the personal center and click "Common Contacts". As shown in the figure:
5. Then click the green button "Add" to add common contacts, as shown in the following figure:
6. Next, fill in your personal information, and then select the additional information of the students in the "passenger type" in the last column, as shown in the figure below:
7. Fill in personal information, including school name, department, educational system, student number, etc. The last item is the preferential part, which is filled in by the city where your household registration is located and the city where your school is located. Just fill it out.