Acquisition, transformation and evaluation. From the acquisition of new knowledge, to the use of various methods to transform knowledge to adapt to new tasks, so as to gain more knowledge, and then to test whether our methods of dealing with knowledge are suitable for new tasks, or whether they are used correctly. The teaching view mainly focuses on the purpose of teaching, that is, understanding the basic structure of the subject; Discover the function, characteristics and shortcomings of teaching; The basic procedures for mastering the discipline structure are divided into motivation, structure, procedure and reinforcement.