”Book of Changes” is the oldest and most authoritative philosophical classic, which is a condensation of a profound of ancient ancestors' wisdom sagacity in China. It's one of the ancient Chinese Confucian Five Classics that ancient scholar must read. ”Book of Changes” consists of symbols and text, the symbol is eight diagrams, the eight diagrams relative vertical made sixty-four hexagrams. Hexagrams made up of lines, each line called Yao and each Yao called Yaoti which plus the location and the nature of Yao. The text part refers to the ”remarks” and ”Ci ”.