ABSTRACT
Start to explore the theory conditions around the theme why to build the modern basic theory of tradi-tional chinese medicine and what kind of theory we want to establish . On the basis of making clear the related concepts such as theory, knowledge, scientific theory and scientific knowledge, discuss the theoretical development pathways and evaluation criteria, compare the development mode of Chinese and Western medicine, providing a refer-ence for evaluation and future development of the modern basic theory of traditional chinese medicine. According to Carl G. Hempel's bridge principle, summarize the five bridge principles and a logic protection principle of the research and foundation of the modern basic theory of traditional chinese medicine, and explain its role and signifi-cance. Put forward a theoretical framework of the modern basic theory of traditional chinese medicine Three levels and five grades like a tree structure, demonstrate the scientific connotation of 11 principles and concepts under the frame. Analyze and demonstrate its scientific rationality according to the role and evaluation criteria of scientific theory mentioned above, clearing direction for future development.