Shang Han Lun
Why Shang Han Lun is important is that it is the first book about formula based on the theory of Nei Jing. The first, second, and third lines in shang han lun are important. The first line is a general outline of greater yang disease, seconed line is the definition of wind strike, and third line is the definition of cold damage. The greater yang disease of first line is divided into wind strike of second line and cold damage of third line. The greater yang disease itself is connected with yang nature, but this applies when the disease begins first. Whether greater yang disease progresses to wind strike or cold damage, maybe you think it depends on the evil qi whether is yang evil or yin evil, but it depends on deviation of yin and yang, deviation of yin and yang can be recongnized repulsive power of body. If greater yang disease progresses to wind strike, Gui Zhi Tang series, this is connected with vacuity constitution, yin gets exuberant but yang gets vacuous, in the final destin...