The book, the best book of the classics, is a general one of The Book of Changes.It talks about neither philosophy nor divination but science, which makes us have a thorough knowledge of the philosophy of The Book of Changes after reading it. It reveals the astronomical origin of The Book of Changes, easily answers two mysteries of thousands of years on the Heluo dynamic Eight Diagrams as well as the unification of the five elements and the Eight Diagrams. It restores the original appearance of the mathematical logic system and Chinese scientific and cultural classics.