RESUMO
In view of the contradictory phenomenon between yingfen dominating the interior when suffering exogenous epidemic febrile disease and ying disease dominating the exterior in cold pathogenic diseases,attemping to get the logical demonstration that cold pathogenic diseases and exogenous epidemic febrile diseases can be integrated by yingfen diseases,the authors made a systematic classification and comparison on basis of the collection of related diagnosis and treatment in respective yingfen diseases of cold pathogenic diseases and exogenous epidemic febrile disease. It was of vital importance to connecting cold pathogenic diseases with exogenous epidemic febrile diseases in classification of diagnosis and treatment in wei,qi,ying,blood system.