Hak-Jil(鎭疾) has a broad sense of affection due to exgenous pathogenic factors including repeating creeping chill, fever and aversion to heat during fever, in Oriental Medicine. Hak-jil(植疾) has a very fast progress and seriousness, so patients and protectors want to visiting western medicinal hospital, not oriental medicinal hospital. But, We accidentally met Soeumin man having Hak-jil(?疾) and acquired good results by treatment him with Sasang Constitutional Medicinal method. This paper describe the process and contents about the way the patient was cured.