The author points out that the normal forms of the theory of Chinese medicine and that of western medicine are hardly commensurable on one hand and partly combinable on the other.

• 中西医结合既存在客观的历史必然性,同时又是一个包含不同层次目标的长期历史过程;中西医结合是中医发展的重要途径,但不是唯一道路;