First of all, candidates enter the self-service system of higher education self-study exams in various provinces and candidates' personal space, and the login password defaults to the candidate's date of birth. Then you can see the query reference number under the magnifying glass icon in the middle of the page, and click enter. Finally, enter the page and enter the candidate's ID number and candidate's name for inquiry. After clicking Query, the self-taught reference number of the candidate will be displayed below.