Liu Wei Happy Learning 100 is an online learning platform for primary and secondary schools. Based on the Internet and data information technology, it is committed to providing learning, teaching and training courses to families, schools and various institutions. Students are located in 29 provincial administrative regions in China, and more than 97,000 children from families are using Happy Learning 100 Mathematics and English courses to realize each child's learning and dreams through scientific and technological innovation.

Including self-study, live class and open class.