n-Alkanes (n-nonacosane and n-hentriacontane), phytosterols (campesterol and ${eta}$-sitosterol) and phytosteryl glucosides (${eta}$-sitosterol 3-O-${eta}$-D-glucopyranoside and campesterol 3-O-${eta}$-D-glucopyranoside) were isolated from the underground parts of Epimedium koreanum (Berberidaceae) and characterized by spectral data.