Schizandra berry, belonging to the Schisandra family, is distributed in Heilongjiang, Jilin, Liaoning, Inner Mongolia, Hebei, Shanxi, Ningxia, Gansu, Shandong province. Schisandra contains volatile components, lignans, and organic acids. It also contains citral, chlorophyll, sterols, vitamin C, vitamin E, sugars, resins, and tannins.