Three new abietane diterpene lactones, 3α-hydroxyjolkinolide A (1), ent-8α,14β-dihydroxy-13(15)-ene-16(12α)- abietanolide (2) and ent-8α,14α-dihydroxy-13(15)-ene-16(12α)-abietanolide (3) as well as a known abietane diterpene jolkinolide A (4) were isolated from the roots of Euphorbia wallichii. Their structures were elucidated on the basis of spectroscopic analysis.