Distance education, namely online education. Together with unified recruitment, self-taught examination and adult education, it is called four categories of national education sequence. They are all in Xue Xin. com。 Belong to the national recognition of academic qualifications. Theoretically equal. However, there is a problem of social acceptance, that is, what people usually call gold content, in turn: unified recruitment, self-taught examination, adult education, online education (also known as distance education including TV University).