ABSTRACT
Objective]To explore the clinical value of the theories in the seven papers of Yunqi.[Method] Analysing the usage of the correlation theories of Yunqi in Cases of Well-known Physicians and its sequel, consulting the commentaries and application of many well-known physicians, this paper summarizes some theories which are applicable to clinic.[Result]In the seven papers of Yunqi, the theory of avoidance of harm by restraining excess and the theory about the inconformity of pulse and disease can exclude false symptoms and infer real pathogenesis.19 questions about pathogenesis can be a reference of clinical diagnosis.The theory of South-North can be used to exclude the impact of climate on the pulse and assist diagnosis. Rationally using the theory of Suiyun contributes to infer etiology and establish therapy.[Conclusion]Cases of Well-known Physicians and its sequel reflect the application and exertion of the theories of Yunqi by ancient physicians. They help to understand the theoretical system and instruct clinical application. In addition to the theory of Suiyun, the seven papers of Yunqi also include a lot of theories which are applicable to clinic.