According to the inquiry of personal library, the lecturer is responsible for teaching the course content, analyzing knowledge points and explaining examples, and the tutor is responsible for answering students' questions and providing discipline guidance and study guidance. They work together in the classroom and provide students with comprehensive teaching and learning support with the help of homework.

Homework help Live Course is an online organization based on K 12. The teaching scope covers three stages: primary school, junior high school and senior high school. Subjects cover mathematics, Chinese, English, physics, chemistry, biology, politics, history and geography.