1. The role of universities: universities not only train talents for higher education, but also engage in relevant scientific experiments. Regular full-time national universities have both junior college students and undergraduates.

2. The role of the profession: the professional profession trains specialized personnel who specialize in research.

Second, their educational levels are different:

1. Education level of universities: universities belong to higher education institutions.

2. Specialized education level: Specialized education belongs to higher vocational education.

Third, the certificates issued by the two are different:

1. Certificate issued by the university: After finishing the university, you can study for a master's degree or a doctor's degree at different levels, or you can study for a master's degree or a doctor's degree (double doctor's certificate will be issued after graduation).

2. Certificate issued by junior college: Junior college students will get a junior college diploma when they graduate.