What is the occupation of Yijing teacher?

Master Yijing means that he knows the Book of Changes very well, and he can draw inferences from the Book of Changes. He described himself as having a high affinity for the Book of Changes and a great talent for it.

Some scholars think that the Book of Changes is a special divination book, while others think that it is a philosophical work. In fact, the books in the Book of Changes were compiled by officials or saints at that time according to the original records of divination, which can be used to predict good or bad luck.