Psoriasis is a common skin disease and the difficulty of its medical management is well known, A report was done on psoriaSis which were treated with aroma therapy to be consulted in Dept. surgery, opthalmology & otolarygology, college of Oriental Medicine, Dongeui University, from Dec. 24, 2003 to Mar. 5, 2004. We gave score and checked involvement in plaque, erythematous popules and invasiveness according to psoriasis area and severity index (PASI). After 75 days of treatment the patient showed that symptoms were disappeared and score of PASI changed from 54.7 to 0. These results that Aroma therapy has good effects on psoriasis in assistant therapy.