[Textual research on Ji Jiu Xian Fang (Excellent recipes for emergent cases)]

In medical subsection of the third part (zi part) of A complete book in four parts, there is a 6-volume Ji Jiu Xian Fang. Based on the author's study, the currently circulated Ji Jiu Xian Fang from Daozang Collections is no longer an original but an apocrypha with interpolations imposed when it was revised during the Zhengtong reign of the Ming dynasty. Only its 8th and 9th volumes are of original ones. Whereas the copy from the A complete book in four parts still preserves the original pages of the said book. The contents of this book is not restricted to external diseases but a comprehensive medical book for emergent and practical use compiled by Song authors.