With the rise of the Internet, especially the full use of the mobile Internet, traditional offline education has opened up an online mainland. Online education is popular because of its live broadcast, no geographical restrictions and interactivity. When online education replaces offline education, the following situations may occur:

The number of offline educational institutions has decreased and turned to online;

Students' learning costs are reduced and can be selectively increased;

Everyone can be a teacher, everyone can teach, and the competition is more intense;

The evaluation system is more perfect to promote educational progress;