The invention relates to the technical field of cosmetics, in particular to an antioxidative composition and a preparation method and application thereof. In the composition, fructus schizandrae and soybeans are compounded, an experiment shows that the composition has a remarkable clearing effect to DPPH free radicals, cell oxidation damage caused by t-Bhp stimulation can be reduced remarkably, growth of cells formed by keratoderma is protected effectively, and an obvious synergistic antioxidative effect is achieved.