It is not accidental that both the flow direction and the governable relations of above systems，in order， are surprisingly similar to modern anatomy. It is probably that the ancients make a conclusion after combining the initial knowledge of anatomy with long term observation on physical and pathological phenomena.

    2the relation between the Heart theory of TCM and Physiology or pathology

    2.1 The heart controls blood circulation Chinese medicine believes that the heart gives motive power for blood circulation, and which motive power is known as heart -qi. " Qi-running is followed by blood-circulating "," blood stasis due to stagnation of Qi" which are the different manifestations in the circulation under the normal or low state of heart -qi. Chinese medicine believes that clear-qi belongs to Yang and turbid-qi belongs to Yin\[6\],We regard the Yang-qi of heart(clear-qi) as oxygen and the Yin- qi of heart(turbid-qi) as carbon dioxide ......