There are many kinds of effective components in Eucommia ulmoides leaves, such as chlorogenic acid, aucubin, geniposidic acid and flavonoids etc. Aucubin is one kind of iridoid compounds and it is richly contained in Eucommia ulmoides leaves. In this dissertation, the detection methods of antioxidative components, isolation and purification of aucubin and antioxidative activity of extract from Eucommia ulmoides leaves were investigated and compared. This work is useful to the development of Eucommia ulmoide...