1, flexible time: traditional education needs to study at a fixed time, because the time is fixed, so it is easy to cause inconvenience in learning when there are special things, and the courses to be studied are interlocking, and it is easy to make the later courses incomprehensible without a section.

Online learning allows users to learn anytime, anywhere. As long as they have the internet, they can learn relevant content, which is very good for reviewing what they have learned before.

2. Low-cost online education, a teacher can have several classes and hundreds of classes at the same time. In the process of recording and broadcasting, once the course is recorded, it can be played to many students many times, and the teacher only needs to tell the recorded course once. From these aspects, online teaching can save teachers' costs and course production costs.

3. Breaking through educational restrictions: There are obvious differences in the distribution of educational resources in different regions, and uneven educational resources often lead to uneven educational quality. Online education can break through the original educational restrictions, allocate teaching courses and resources in first-and second-tier cities, and shorten the distance of regional education differences.

4. Self-service: It is also inconvenient for training institutions to manage students and teachers, especially involving various resources; Online learning platform can realize automatic management, whether it is registration, consultation, payment or inquiry, it can be realized by itself, which is more efficient and convenient.

5. Various forms: Online learning has more and more forms, which can not only meet the needs of graphic learning, but also provide audio and video learning options according to users' needs; Let the students watch it again and again to deepen the learning of knowledge content.