Kaicheng 333 intensive class is about the history of Chinese and foreign education, and it is about the intensive class of postgraduate entrance examination in 2023. As of September 20, 2023, the 24-hour Kaicheng 333 intensive online course has not been released. Kaicheng 2024 333 comprehensive education postgraduate course includes four subjects: discipline education principle, China education history, foreign education history and educational psychology.