中文摘要：

探讨阐明上下交病、病证纷繁、盘根错结之证,当注重整体、谨守病机、寻根溯源、纠偏去弊、以平为期、以和为贵,方可令阴阳调和、气血条达。其论述以叶天士《临证指南医案·吐血》中的＂上下交病,治在中焦＂为切入点,阐明上下交病之理论基础,中焦在机体中的重要意义、对＂治在中焦＂的理解及其引申含义,以及上下交病、纷繁难解时谨守病机,以和中焦、和气血、和阴阳为辨治思路,进而说明＂上下交病治其中＂在辨证施治中的指导意义。

英文摘要：

This article mainly clarifies the importance of integrate wholism,pathogenesis,and dynamic balance into treatment,when we encounter simultaneous upper and lower diseases,and the condition being intricate. This article discusses the theoretical basis of simultaneous upper and lower diseases,the important role of middle Jiao in the body,the comprehension and extensional meaning of treating the middle Jiao,and the dialectical thinking of adjusting Qi-blood,Yinyang and middle Jiao with the key point of＂Simultaneous upper and lower diseases,Treating the middle Jiao＂that from Ye Tian-shi＇s book—Clinic Guideline of Medical Records,then illustrates the clinical guiding significance of valuing harmony in syndrome differentiation and treatment.