The invention belongs to the technical field of cosmetics, and in particular relates to an anti-allergic whitening facial mask and a preparation method thereof. The anti-sensitivity and whitening mask provided by the invention comprises a mask base liquid and a non-woven fabric, and the mask base liquid is mainly composed of sodium hyaluronate, nicotinamide, acetylglucosamine, xanthan gum, dimethyl sulfone, gentian anti-irritant factor , Carnosine, Nonapeptide-1, Arbutin, Dipotassium Glycyrrhizinate, Panthenol, Glycerin, Plant Natural Preservatives and Water. The anti-sensitivity whitening mask prepared by the present invention can inhibit the catalysis of tyrosinase from the source, reduce the production of melanin, and at the same time scavenge free radicals to prevent the transformation of tyrosine into melanin from the antioxidant pathway, promote the degradation of melanin in the stratum corneum, and even out the skin tone , lubricates the skin, brightens the complexion, has a significant whitening effect, and at the same time it is mild and non-irritating, has a good moisturizing effect, and has the advantages of a long moisturizing time. It is a pure natural, safe and harmless anti-allergic whitening mask.