Correspondence education originated from the promotion movement of British universities in 1960s (65438-2009), and correspondence schools were established in capitalist countries after 1980s. In China, the Commercial Press established a correspondence agency at 19 14. After the founding of People's Republic of China (PRC), correspondence education has made great progress.

Correspondence education in People's Republic of China (PRC) began in secondary normal schools.

Correspondence: Self-study is the main task at ordinary times, and concentrated face-to-face instruction lasts for 18 days or half a month for about 3 times each academic year. Face-to-face teaching time is usually winter and summer vacation or holidays. Some students are usually busy and may not have time to go to class. They can teach themselves at home and adjust their spare time so that they can arrange time to go to school when they concentrate on face-to-face lectures.

The main links of correspondence teaching are: counseling and answering questions, homework, experiment, practice, examination, course design, graduation design and defense. The school will have a unified curriculum and send it to students for reference. So as to achieve a win-win effect.