“周易”一词最早见于《左传》。《左传》庄公二十二年“周史有以《周易》见陈侯者”；襄公九年记载“姜曰：‘亡，是以《周易》曰：隋，元亨利贞……”；昭公七年记载“孔成子以《周易》筮之”。可见《周易》之名在周代甚或更早便已经存在了。《周礼·春官》有云：“太人…… “Book of Changes” first seen in the word “Zuo Zhuan.” “Zuo Zhuan” Zhuang twenty-two years “Zhou Shi has” Zhouyi “see Hou Hou”; Xianggong nine years record “Jiang said:” The death is based on the “Book of Changes” said: Sui, Yuan Henry Li Zhen ...... “ ; Zhao Gong seven years record ”Confucius“ to the ”Book of Changes“. Visible ”Book of Changes“ in the Zhou Dynasty or even earlier already existed. ”Zhou Spring official“ goes: ”too ...