This study was performed on the bases of clinical consideration about patient who had fever. The patient had a high fever, headache, diarrhea, sore throat, general aching. The symptoms of the patient was regarded as syndrome of Ki(energy) system in the differentiation of epidermic febrile disease and syndrome of the middle energizer in the differentiation of syndrome in accordance with the therory of triple energizer. According to the oriental medicine principle, oriental medicine was taken such as Dalwonum(達原飮) and the patient had taken a turn for the better.