1. Objectives : The purpose of this rase study is to evaluate the superiority of Sasang constitutional diagnosis and treatment in skin disease compared with western medicine and is to notify the importance of elevating requsite qi(保命之主) in treatment of skin disease. 2. Method : We compared to remedical value in two case. One is to use herbal medicine as well as routine antibiotic treatment. The other one is to use only herbal medicine. Antibiotics was focused on attacking the pathogen and herbal medicine was focused on elevating requsite qi(保命之主). 3. Result and conclusions : In result, the one using only herbal medicine showed satisfactory progress and predominant remedical value compared with one using herbal medicine and routine antibiotic. So It is necessary to approach skin disease in view of elevating requsite qi(保命之主).