Primary school, junior high school, senior high school Chinese, primary school, junior high school, senior high school mathematics, primary school, junior high school, senior high school English, primary school, junior high school, senior high school and other subjects.

According to the syllabus, volumes and chapters, the video courses of national famous teachers are arranged, so that students can review or learn the knowledge corresponding to textbooks in advance at home, break the traditional boring and flat learning mode, stimulate students' interest in learning, make up for the forgetting and omission of what students have learned in school classrooms, and have unit knowledge point evaluation questions. A new model of double-layer strengthening of "learning" and "testing" knowledge points is realized.