Overview of theory about pathogenesis, prevention and treatment of epidemic diseases in internal classic of Huangdi

A review. Yibing(epidemic disease) is a kind of epidemic and infectious disease. There was theory about pathogenesis,prevention and treatment of Yibing in Internal Classic of Huangdi, which still enlightens us today. It concerns three aspects in pathogenesis of Yibing: heaven(climatic conditions), human(vital Qi) and pathogen. The etiol. and pathogenesis of Yibing can be analyzed according to the onset time.