Knowledge is power, wealth and the accumulation of human civilization. It is a test of learning consciousness. People who don't want to learn must be deserting. But good for the heart. Because of the ability of video, non-broadcast can pause to take notes and think at any time, or even go back to listen a few times, which greatly improves the quality of learning, teachers will not repeat for a person do not keep up. Personally, I like online education very much. The advantage of online education is that it can use abundant network resources to teach, teachers can use question bank and examination system to evaluate and supplement students' knowledge, and online education saves time。With the same quality of teaching, of course, online is more cost-effective,Online education facilitates the study of the whole people and makes more busy people feel the power of knowledge。Online education is also inadequate. The most obvious point is that students' self-control ability is not high without the supervision of teachers。The class is inefficient and the whole course is boring.