Collateral disease theory emerged along with the establishment of the "Yellow Emperor's Inner Classic", as early as the Qin and Han dynasties. Throughout the development of TCM, the main channel system has been clearly emphasized, where the study of collateral disease has been inexplicably neglected. For the first time in the history of Chinese Traditional Medicine, here is a book that fully elaborates the physiology, pathology and treatment of collateral disease. This text can certainly benefit those practitioners who wish to deepen their understanding of intractable disease.
