The course "University Not Confused" is a massive open online course created by Yantai University, which is suitable for pedagogy majors. The first class is on the tree of knowledge, in the spring and summer of 2022. The teachers are Liu Lina, He,,,. Course * * *, a total of eleven chapters, including scientific learning methods, the concept and function of universities, the professionalism of university education, strategies to improve learning efficiency and so on.