Four new steroid saponins, kingianosides A–D, were isolated from the rhizome of Polygonatum kingianum, together with two known steroid saponins. On the basis of chemical and spectral evidence, the structures of kingianosides A–D were established as gentrogenin 3- O-β- d-glucopyranosyl(1→4)-β- d-galactopyranoside, gentrogenin 3- O-β- d-glucopyranosyl(1→4)-β- d-fucopyranoside, 26- O-β- d-glucopyranosyl-22-hydroxy-25( R)-furost-5-en-12-on-3β,22-diol 3- O-β- d-glucopyranosyl(1→4)-β- d-galactopyranoside and 26- O-β- d-glucopyranosyl-22-hydroxy-25( R)-furost-5-en-12-on-3β,22-diol 3- O-β- d-glucopyranosyl(1→4)-β- d-fucopyranoside, respectively.