Yi Shu of Plum Blossom and East, West, North and South

According to legend, The Book of Changes of Plum Blossoms was written by Shao Yong, a master of Yi Studies in the Northern Song Dynasty. It is a systematic divination theory and method based on the Eight Diagrams in the Book of Changes.

There is a passage in the book: "Fang Guaying". The so-called four-way divination here is the orientation divination to which the acquired gossip belongs. That is, from the south, Kanbei, Zhendong, Duixi, Xunsoutheast, Northwest Jiangxi, Northeast Gen and Southwest Kun. Judging good or bad by divination position.