Personnel who had contributed Medical development in history are classified into four types in this paper. The first, it is personnel that studied the medicine or treated a patient like doctors, medical researchers, physicians, nurses, etc.. The second, it is personnel that made law or systems about medicine or published the medical books. The third, it is personnel that received the medical treatment like patients or their protectors. The last, it is personnel that are teachers, students, friends, and relatives of people above mentioned. The studies of medical personnel in history are important. Those are more effective and easier informations than medicine itself. This paper is the study on medical personnel about HyangYak medicine that soley made from HyangYak(鄕藥) and that of classifying the informations about these persons.