The ancient history of the Yi studies of Shandong can be divided into two main stages: 1 from the remote antiquity to the pre-Qin period.
山东古代易学史可以划分为两个大的阶段:(1)上古至先秦易文化阶段。
2
"Poetry" is pre-Qin period's important ancient literature book, "Poetry" extant 305 poetries, embodied the antiquity ancients' collective wisdom and the sincere emotion.