"There are four formal ways for office workers to upgrade their academic qualifications: adult college entrance examination, self-study examination, distance education and national open university. The enrollment rate also has four grades: junior high school, junior high school, junior high school and two undergraduate courses. The academic qualifications obtained by these four methods are recognized by the state and can be used normally in Xue Xin. Com for academic certification, job hunting, postgraduate entrance examination, civil service examination, career preparation examination, promotion and salary increase, and study abroad. The needs of candidates applying for junior high school and junior high school.