As a new separation technology,supercritical CO2 extraction was applied widely in natural aroma separation.We summary the latest research activities and progresses in supercritical CO2 extraction of aromatic plants from three aspects of which are aromatic componentsare of root,stem and leaves,aromatic componentsare of fruit,and aromatic componentsare of flowers. And the developing prospect of supercritical fluid extraction in natural aroma separation is put forward.