The Book of Changes is a mysterious work in ancient China. Because it was popular in the Zhou Dynasty, it was called the Book of Changes, and was regarded as the head of the Confucian classics. Judging from its arrangement style and text content, it is a book of divination. This paper discusses the extensive and profound Yijing, including Yijing and Yijing. In ancient books, only the names "Lianshan" and "Ghost Hide" are not discussed.
When Qin Shihuang burned books to bury Confucianism, Li Si secretly included the Book of Changes in Medical divination, and survived.