This article reviews the development process and theoretical connotations of the "Three Causes" theory，analyzes its cultural value and contributions to the overall medical concept，and explores its position in the contemporary medical system. At the same time，it analyzes the many challenges faced in the research and application of the "Three Causes" theory，and puts forward countermeasures and sug gestions for promoting the modern development of the "Three Causes" theory from aspects such as literature interpretation，medical integrat ion，and clinical application. 【Keywords】Tibetan medicine；"Three Causes" theory；medical theory；modern development