It refers to providing lifelong learning opportunities for those who have completed higher education. There are four main forms of adult continuing education in national education series, namely, adult higher education, higher education self-study examination, modern distance open education of TV University and online university. These four forms of education have their own characteristics. Except for adult higher education, the other three items do not need to take the national unified entrance examination. There are also great differences in admission, curriculum, graduation years, charging standards, degree awarding, and class methods. Higher continuing education is usually different from full-time diploma education and belongs to part-time diploma. Full-time diploma education refers to continuous learning within a certain period of time, usually in order to obtain a degree or diploma. Higher continuing education is more flexible, and you can choose different learning methods and learning contents according to your own time and interests, including course learning, training courses, workshops, online learning and so on.