[Discussion and analysis on point "Siguan"].

Point "Siguan" is seen in the Miraculous Pivot: Jiuzhen Shieryuan for the first time. From then on the doctors of every dynasties cited point "Siguan" and explained its content. But the authors hold that their explanations do not conform with the meaning in the Huangdi's Internal Classic. Therefore, the authors put forward their explanations for point "Siguan" and indicate that correct understanding of point "Siguan" is very important for treatment of diseases of five-zang organs.