A new eremophilane sesquiterpenoid, namely, 3β-angeloyloxy-6β,8β-dihydroxy-9β-senecioyloxyeremophil-7(11)-en-12,8α-lactone, along with eight known sesquiterpenoids, was isolated from the rhizome of Farfugium japonicum. The structures of all isolates were identified based on analyses of spectroscopic