The invention provides a moisturizing and repairing facial mask and a preparation method thereof. According to the moisturizing and repairing facial mask provided by the invention, xanthan gum, hydroxyethylure, p-hydroxyacetophenone, hexanediol, phenoxyethanol, coceth-7, polyether glycol-1-polyoxyethylene ether-9 lauryl glycol ether, polyoxyethylene ether-40 and water are used as essences of the moisturizing and repairing facial mask, and the moisturizing and repairing facial mask is compounded with a spirulina maxima extract, hydroxyethylurea, lactobacillus and a pomegranate fruit ferment extract, a ginseng extract, bio-saccharide gum-1, a magnolia bark extract, an elm root extract, a kadsura longepedunculata extract, an astragalus membranaceus extract, a burdock root extract, a cucumis sativus fruit extract, a tea leaf extract, an eucommia bark extract, a lycium chinense fruit extract and sodium hyaluronate; and meanwhile, mass contents of the various components are strictly controlled. The prepared moisturizing and repairing facial mask not only improves moisture of skin so as to keep the skin delicate and smooth, but also has functions of repairing and promoting regeneration, so that people's basic comprehensive requirements on skin care are satisfied.