Abstract: The rules of treatment of “reinforcing Yang from Yin” and “Reinforcing Yin from Yang” were proposed by Zhang jingyue of a Ming dynasty physician, This article will explain this rule from a new angle. Combined with clinical practice, it was found that there are many similarities between the treatment measures of modern medicine and the rules of treatment of “reinforcing Yang from Yin” and “Reinforcing Yin from Yang”, both of them embody the idea of “preventive treatment of disease”. Now share this view with insider, and hope to improve the clinical effect of TCM.

Key words: reinforcing Yang from Yin, reinforcing Yin from Yang, preventive treatment of disease