In this paper

the concept of "harmonizing method" in traditional Chinese medicine（TCM） is discussed by tracing the classical doctors′ understanding of "harmonizing method" and analyzing the philosophical meaning of "harmony". It is believed that "harmonizing method" is to balance those unbalanced things. By combining with the theory of qi movement

this paper analyzes the usage of representative prescription of Xiaochaihu Decoction（小柴胡汤） and Guizhi Decoction（桂枝汤）

and proposes that the key mechanism of "harmonizing method" lies in the operation of qi movement. It is considered that "harmonizing method" refers to make yin and yang

cold and heat

exterior and interior

deficiency and excess harmonizing and transforming each other through the operation of qi movement

so that the body can be in a harmony state. Based on this theory

characteristics of "harmonizing method" prescription such as being based on the middle jiao

being used in the opposite way

harmonizing the property of medicines

and being soothing but not slow were discussed.