Abstract: To analyze the theoretical connotation and practical value of health maintenance culture with the systematic development of traditional Chinese medicine in Song Dynasty. By reviewing the compilation of official medical texts,pharmaceutical achievements,and theoretical innovations,combined with the analysis of typical medical cases, this article reveals the systematic characteristics and dissemination mechanisms of health maintenance culture in Song Dynasty. The systematic achievements of traditional Chinese medicine in Song Dynasty established medical norms ranging from prevention to treatment;cases such as YAN Yonghe's modification of Shenqi Pills exemplified the clinical wisdom of syndrome differentiation and treatment; four health maintenance practices of diet, exercise, aromatic medicine,and emotional well-being embody health concepts of the homology of medicine and food,harmonization of qi and blood,use of aromatics to dispel pathogens,and unity of body and mind. In terms of dissemination mechanisms, groups such as scholar-officials and folk Chinese medicine practitioners promoted the publicization of health maintenance culture, enhancing the accessibility of traditional Chinese medicine. The exploration of modern health maintenance wisdom has propelled health management toward the principle of "preventing disease before it occurs, " showcasing the innovative application of traditional wisdom. The Song Dynasty saw the emergence of a comprehensive health maintenance system centered on the concept of "preventive treatment of disease," integrating dietary regimens, daoyin exercises,aromatic therapies,and emotional management. The underlying principles,including "homology of medicine and food" and "individualized treatment based on body constitution, seasons, and environment, " hold historical value while offering crucial insights for the contemporary health industry and the global advancement of traditional Chinese medicine. The health maintenance culture in Song Dynasty is a significant crystallization of traditional Chinese medicine theory and practice,and its in-depth exploration and innovative transformation can offer historical experience and academic support for the implementation of contemporary Healthy China strategy.