The Dystaernia takeshimana as speciality wild flower of Ulleungdo is important resource of the natural antioxidants of cosmeceutical and medicinal industries. In the investigated anti-oxidant activity of 70% acetone extracts, 70% ethanol extracts, and water extract from the Dystaernia takeshimana root was extent. The anti-oxidant activity was determined by using measuring of electron donating ability,