Integration of Chinese medicine and Western medicine is the necessary outcome in the reality of co-existence of the two medicines nowadays, also an inevitable tendency of cross-comprehensive, systematization, internationalization and diversification in the progress of science development and research. Experienced over half a century's self-innovation, lots of achievements in clinical and experimental studies have been achieved by the integrated Chinese and Western medicine (ICWM), but it still remains in the primary period of developing, and some deficiencies existed yet. So, we should have the foresight and mind of "Harmony in Diversity" and make effort to establish a series of independent and perfect theoretical system, for making more breakthrough development of ICWM.