ABSTRACT
[Objective] This paper sums up professor Zhang Peiying's scholar thought and clinical experience in diagnosing and treating coronary heart dis-ease. [Methods] From the aspects of the pathological mechanism, and treatment based on syndrome differentiation of coronary heart disease, and the exam-ple of medical record, elaborate that the pathological mechanism is the deficiency of cardiac Yang.Yang deficiency may cause the devitalized chest Yang, which may enable the external pathogenic cold to invade the body.The retention of cold and the stagnation of Qi and blood wil hinder the chest Yang and the circulation of blood in the chest vessels,causing the occurrence of the disease.[Results] The pathological mechanism of coronary heart disease is the deficiency of cardiac Yang and excess of pathogenic factor .Its root belongs to deficiency while its branch belongs to excess. On this base, professor forms Zhang Peiying's treatment principle focusing on relieving both the secondary and primary symptoms, such as replenishing Yang-Qi,and warming up the heart yang and dispel ing cold ,removing blood stasis.Taking an example for the therapy to prove it.[Conclusions]Professor Zhang Peiying's scholar thought and clinical experience in diagnosing and treating coronary heart disease is effective and is trusted and welcomed by patients. His thought and clinical expe-rience are worth to extend and apply.