The dual attribute of medicine means that medicine is both natural and social science in nature, and is a science that combines two major scientific disciplines. Because the object of medicine is both natural and social human beings, it determines the dual attributes of medicine. 1. Natural science properties: medicine is the study of nature, including human beings, a variety of biological properties of the discipline, biomedical tendency to “disease” as the center rather than “people” as the center, so in order to pursue their own scientific status, medical knowledge must become In order to pursue its scientific status, medical knowledge must become a natural science-like certainty of knowledge. 2. Social science attribute: the social science attribute of medicine is based on the social nature of human beings, it is not only a physiological technology under the biomedical model, but also a social activity involving social ethics and morality, deeply influenced by the social atmosphere, as the doctor-patient relationship is becoming increasingly severe, the emphasis on the humanistic characteristics of medical activities is an important way to alleviate the contradiction between doctors and patients.