[Textual research on the editions of Ben cao fa ming (Invention of Materia Medica)].

The edition of Ben cao fa ming (Invention of Materia Medica) included in Zhong guo ben cao quan shu (The Complete Collection of Traditional Texts on Chinese Materia Medica) is photoprinted from the Ming-dynasty block-printed edition persevered in the Library of China Academy of Chinese Medical Sciences (CACMS), an incomplete one with some parts missing. In addition, there are the Ming-dynasty block-printed edition preserved in the Shanghai Library and Japanese hand-copied edition, both complete ones with full texts. In fact, the Shanghai edition and CACMS edition are the same one, only the text of "the differential classification of ben cao of the Ming Dynasty" are located in different position between them. The Japanese one is hand-copied from the Ming-dynasty block-printed edition.