Learning notes attach importance to heuristic teaching, step by step, stimulate students' intrinsic learning motivation, cultivate students' learning consciousness and teach students in accordance with their aptitude. It is argued that the basis of inspiration and induction is to understand the difficulty of students' learning and the beauty and evil of talent. It advocates the teaching order from shallow to deep, from easy to difficult, from simple to complex, and puts forward the positive educational principle, that is, to guide students to develop in a good way before their bad behavior occurs. It is also pointed out that students should learn from each other in the learning process. The Book of Learning endows teachers with lofty status. Put forward the concept of strict and respectful teachers.