Over the last two thousand years, the meridian theory has been the guiding pricinple for the clinical practice in the realms of TCM, particularly in those of acupuncture, massage, and qigong. By combining the meridian theory with the throries of the zangfu organs and pathological change which take place in the body. In this manner, a theoretical basis for the principle of treatment in accordance with the differentiation of symptoms and signs was established.