Pre-school education can apply for education majors, such as education, primary education, art education, etc. Because they are counterparts, kindergarten teachers who apply for junior college can apply for junior college through adult higher education, such as online education, as long as they meet the national education series graduation certificate or above. Online education refers to learning, communication and answering questions. Through the network platform, professional courses can be completed online to meet the graduation requirements of undergraduate majors. Online education has broken through the traditional way of education, and students can study at home without the limitation of time and space. College entrance examination is the abbreviation of China College Entrance Examination, and it is an examination system approved by the Ministry of Education. There are two kinds of undergraduate courses. The first category is the college entrance examination of general higher education, also called the unified examination of college entrance examination. The examination object is limited to fresh college graduates enrolled in all provinces, municipalities directly under the central government and full-time colleges and universities. The other is adult higher education, which has four ways: self-taught examination, adult college entrance examination (divided into amateur and correspondence learning methods), online education (distance education) and open university (formerly RTVU).