[Some problems about the research on the medical history of south of the Five Ridges].

The research on the medical history of south of the Five Ridges includes some problems on three levels: firstly, the "ancient-extensive and modern-narrow" concept of regions of south of the Five Ridges. "ancient-extensive" means that the region of south of the Five Ridges in ancient times was wider than that of modern times, the selected area of medical history of south of the Five Ridges before Ming and Qing dynasties is extensive and broad; "modern-narrow" means that in the central region of south of the Five Ridges located in Guangdong province, especially the Pearl River Delta, the selected area is relatively narrow. Secondly, regarding the research contents of medical history of south of the Five Ridges., making a descriptive record in the medical historical facts of south of the Five Ridges is not simply the accumulation of information but the conclusion of academic views so as to realize the fundamentals by making the source clear. Thirdly, regarding the TCM academic heritage of south of the Five Ridges., the research on the medical history of south of the Five Ridges involves efforts of several generations, which have formed a consensus today and become the construction of national key disciplines and one of the contents of "the TCM library of south of the Five Ridges".