1. Comment, which means to evaluate or comment.
2. Discuss in detail the pathogenesis, symptoms and prognosis of Yin Yang Jiao, Feng Jue, labor wind, kidney wind and Feng Shui diseases. Yin-Yang Jiao is a critical syndrome in the late stage of febrile disease when evils are exuberant and positive. Fengjue is also an exogenous heat disease. Laofeng seems to be due to wind-heat accumulating in the lungs. Kidney wind is the early stage of Fengshui disease. It starts from feeling external evils and also causes fever. Symptoms therefore all fall into the category of fever.
3. Discuss the causes, pathology, treatment, prognosis, etc. of several febrile diseases such as Yin Yang Jiao, Feng Jue, labor wind, and kidney wind. Focus on explaining the changing laws of the rise and fall of evil and good.