The chemical constituents of the stems of Schisandra sphenanthera are described for the first time.This investigation has resulted in the isolation of a new phenolic glycoside(1),along with seven known compounds.The structure of 1 was assigned by using spectroscopic techniques,including 2D NMR spectra. The chemical constituents of the stems of Schisandra sphenanthera are described for the first time.This investigation has resulted in the isolation of a new phenolic glycoside(1), along with seven known compounds.The structure of 1 was assigned by using spectroscopic techniques, including 2D NMR spectra.