The present invention discloses one kind of nanometer skin-activating emulsion cosmetics, which is transparent oil-in-water micro emulsion cosmetics prepared with active components including ginsenoside, 3-amino propanol phosphate and vitamin C ethyl ether in 0.50-6.50 wt%, nanometer emulsion matrix in 77.00-95.00 wt% and supplementary material in 1.60-16.80 wt% and through mixing. The nanometer skin-activating emulsion cosmetics has high stability, high transdermal permeability and effects of protecting skin, nursing face, decreasing wrinkles, smoothening skin and delaying skin senility. |