1. Log on to China Higher Education Student Information Network (Xue Xin Network); 2. Select the "education inquiry" function on the home page; 3. Enter personal information, including name, ID number, etc. 4. Submit the query request, and the system will display the relevant information of the graduation certificate.

Characteristics of adult higher education:

1. Flexibility: Adult higher education usually provides various forms of learning, including amateur learning, correspondence education and distance education.

2. Diversity: the curriculum and major selection are more diversified to meet the needs of different learners;

3. Practicality: the course content pays attention to practical application and combines theory with practice;

4. Openness: Adult higher education has relatively relaxed admission conditions for learners' academic qualifications and age;

5. Targeted: Educational content and teaching methods are often optimized according to the characteristics of adult learners.

To sum up, the adult higher education diploma can be inquired by visiting the China Higher Education Student Information Network (Xuexin.com), selecting the "education inquiry" function on the home page, accurately inputting personal information including name, ID number and so on, and then submitting the inquiry request, and the system can display the relevant information of the diploma.

Legal basis:

Regulations on the administration of students in institutions of higher learning

Article 38

If the academic certificate and degree certificate are lost or damaged, the school will issue the corresponding certificate after my application for verification. This certificate has the same effect as the original certificate.