《周易参同契》是我国现存最早的一部炼丹书,在历代都得到很高的评价,有“万古丹经王”的美誉。但是学界对此书的书名、作者、年代、版本、性质等却众说纷纭,莫衷一是。本文拟试对这些问题一一加以辨析,提出自己的观点。不妥之处,敬请方家指正。一、书名。《周易参同契》书名中“周易”二字系后世所加,成书时,仅名《参同契》。“参同契”三字含义,历代皆有分歧。朱熹以前,多以“参”为“杂”意。至元代俞琰始以“三” “Yi Yi ginseng contract contract” is the earliest existing alchemy book in our country, which has been highly praised in all ages and has the reputation of “universal”. However, the academic circles have different opinions on the title, author, time, version and nature of this book. This article attempts to analyze these problems one by one, put forward their own point of view. Inappropriate place, please correct me. First, the title. “Book of Changes in the contract,” the title of the book “” Book of Changes “the word later added, into the book, only” contract deeds. “ ”Agreement with the contract “ three-word meaning, there are differences between ages. Before Zhu Xi, mostly ”“ Participation ”as “ Miscellaneous ”Italy. Yu Yuan Dynasty to the Yuan Dynasty to “three ”