Good teaching service and diversified teaching content. One-on-one tutoring products provided by supplementary education institutions of Anxue University create personalized tutoring services. Teachers carry out teaching for students' shortcomings, and focus on the teaching of difficult knowledge points around the goal of remedial education. Combining with the learning characteristics of the students, the teaching and research group conducts one-on-one small class counseling to create a strong learning atmosphere for students and gradually improve their academic ability. Moreover, the supplementary education institutions of Anxue University have diversified teaching contents, and the courses focus on the research and development of teaching contents required by students. Different from simple subject knowledge counseling, institutional courses emphasize the improvement of students' comprehensive ability. Teachers not only teach students knowledge points and learning skills, but also emphasize students' autonomous learning ability.