By summarizing the clinical experience of treating coronary plaque with balance method proposed by YAN Qianlin

this paper believed that the basic pathogenesis of coronary plaque development is qi and blood imbalance

and dysfunction of liver in controlling conveyance and dysfunction of spleen in transportation are also important factors in the pathogenesis. Therefore

the use of the balance method is the basic treatment criteria for striving to restore the balance of qi and blood. This paper summarized the ideas of clinical syndrome differentiation. We believe that the main symptom in the initial stage is liver qi stagnation which should be treated with dispersing stagnated liver qi for relieving qi stagnation method

and the symptom of the middle stage is qi stagnation and blood stasis which should be treated with clearing qi for activating blood circulation method

and during the middle late stage

qi deficiency and blood stasis is the main symptom which should be treated with benefiting qi for activating blood circulation method

and in the late stage

the symptom is yang deficiency and blood stasis which should be treated with warming yang for activating blood method.