Abstract: Genus Aglaia is widely used in folk of China.Many researches on this genus have been carried out involving plant ecology,phytochemistry, etc. Currently,triterpenoids were commonly reported in studies on the chemical constituents and the biological activities of Genus Aglaia. Such constituents with novel structures were well known as the characteristic chemical constituent of Meliaceae to which Genus Aglaia belongs.Therefore the chemical constituents and biological activities of triterpenoids become the hotspots of relative researches these days.In this review,the chemical composition and biological activities of Genus Aglaia were summarized according to the published reports,especially that referring to various triterpenoid types and their representative bioactivities.The review will provide references for further systematical study and development on plants of Genus Aglaia.

Key words: Aglaia, chemical constituents, triterpenoids, bioactivity