Through studying and summarizing Zhang Zhongjing's experience and rules of using Pinellia Tuber,I concluded that he had distinctive and rich experience in using Pinellia Tuber in its raw form, large dosage, effects, compatibility, or decoction. What more, his experience and ideas have been proved correct, scientific and workable theoretically, clinically and empirically by our generation,which not only serves as a very good example for us to follow in syndrome differentation and the choice of proper herbs, but pl...