Abstract:A new diterpene glucoside was isolated from Isodon parvifolia (Batalin) Hara collected in Sichuan,China. Its structure was established as 7,20-epoxy-ent-kaur-16-ene-lα, 6β,7β, llβ, 15β-pentaol-ll-O-β-D-glucopyranoside(1)by spectroscopic and chemical evidence.