The theory of stomach qi in traditional Chinese medicine is the concrete application of the doctrine of the five elements of middle-earth.It was first seen in the Huangdi Neijing,and was constantly perfected and developed by famous doctors such as ZHANG Zhong-jing,LI Dong-yuan,XUE Ji.Finally,it is integrated and summarized by ZHANG Jing-yue in Jingyue Quanshu.The theory of stomach qi emphasizes the important role of spleen and stomach in physiological function,health preservation,disease prevention,treatment and prognosis,etc.,and has been recognized and valued by medical experts in all dynast...