Before focusing on the easy-to-understand four-column prediction learning guided by technology, in order not to make many fans fall into misunderstanding, this chapter will introduce the knowledge and experience of ancient China characterized by China's ancient prediction, and compared with modern science, an independent chapter will solve many readers' doubts and puzzles, so that everyone can have a new understanding of the magical side of learning. I can't say what I want, but I still hope to achieve the role of attracting jade.

* This chapter refers to the theory of Yin-Yang and Five Elements, the theory of heaven and man, Zhouyi and the historical introduction of traditional Chinese medicine.