《易》包括《易经》和《易传》两部分，探求这两部分定型前的起源和发展过程以及在这个过程中有哪些因素影响了或成为了《易》的内容，都属于《易》学溯源研究。本书研究的时间范围界定为史前时期和商周时期。本书从以下几个方面展开论述：考古发现与《易》学卜筮文化溯源、考古发现与《易》学阴阳观、考古发现与《易》学尚中思想、考古发现与商周筮数易卦研究。( Yi includes two parts, I Ching and Yi Chuan. Searching the origin and development process before the two parts formed and what factors influenced or became the content of Yi in the process is the study on origin of the Yi studies. The time range studied in this book is defined as the prehistoric period and the Shang and Zhou dynasties. This book launches the elaboration from following several aspects: the archaeological finds and origin of Yi studies divination culture, archaeological finds and concept of yin and yang in Yi studies, archaeological finds and numeral divination study in the Shang and Zhou dynasties.)