Abstract:Six flavonoids were isolated from the aerial part of Epimedium brevicornum and identified as baohu-osideI,2‘‘‘-O-rhamnosyl icarisideⅡ,sagitatosideB,baohuosideⅡ,ikarisoside F and ikarisoside C by means of UV,IR,H-NMR,13C-NMR and FAB-MS spectral analysis.they were isolated from this plant for the first time.