The Treatise on Febrile Diseases is China’s first principle-method-recipe-medicines relatively complete medical works. It has been regarded as classic. Then， the physicians produced different academic systems and clinical practices on different focus. Zheng Shouquan is expert on “The Treatise on Febrile Disease ” in Qing Dynasty. He was later known as “The Huoshen School ” originator. Base on “The Book of Changes ”and “The Medical Classic of the Yellow Emperor ”， he analysed “The Treatise on Febrile Disease ”. He put forward “Six Jing means Six Qi， and they just one thing” of “Diseases are based on a common source”theory； and used Yin and Yang as the key link， to briefly summarized Six Jing. Then in the Yin and Yang， he payed attention to yang. His analyses of “The Treatise on Febrile Disease” made it easy to learn and more logical.