"Top Class" is a synchronous textbook counseling book edited by Cheng Haijiao and dedicated to the majority of primary and secondary school students and teachers. Recommended books designated by the National Teachers' Research Fund "Twelfth Five-Year Plan" key project and the general research group for modeling and researching the academic quality level of primary and secondary school students. Advocate the standards and concepts of teaching cases.

Practice the mode of dividing books and fully apply digital learning methods; Teaching plans, teachers' books and courseware PPT discs are distributed simultaneously. From teaching materials to senior high school entrance examination, from basic to senior high school entrance examination, it is gradual, spiraling, knowledge explanation, example explanation, comprehensive method summary and sufficient test questions practice, which is suitable for primary and secondary school students in different regions and versions of the country.

Language: students write (primary school), report dictation (primary school), listen to reading aloud, know the author, watch videos, enter the classroom, and be lectured by famous teachers.

English: Listening, reading aloud, listening to micro-lessons, lectures by famous teachers, listening to music, dictation and learning words.

Mathematics: the famous teacher talks about micro-lessons, the famous teacher talks about examples, and scans the code to read notes.

Materialized students: famous teachers talk about micro-courses, famous teachers talk about examples, and scan codes to see experiments.

Politics and history: famous teachers talk about micro-courses, while famous teachers talk about examples.