The invention discloses an anti-aging repair essence and a preparation method thereof. The anti-aging repair essence comprises the following components: water, 2-methyl-1,3-propanediol, a sodium polyglutamate humectant, a sodium of polyaspartic acid humectant, a sugar alcohol humectant, glycereth-26, bis-PEG-15 methyl ether dimethicone, a thickener, erythritol and acetyl chitin, coconut oil, argania spinosa kernel oil, pomegranate seed oil, mango seed fat, dioctyl carbonate, an emulsifier, a silicone oil emollient, butanediol, 4'-hydroxyacetophenone, 1,2-hexanediol, a bifida ferment lysate composition, a peptide composition and a trifluoroacetyl tripeptide-2 composition. The emulsifier comprises hydrogenated lecithin, C12 to C16 alcohol and palmitic acid. The essence disclosed by the invention has the effects of moisturizing the skin, maintaining moisture, moistening the skin, resisting aging, repairing the skin, resisting oxidation and slowing down the growth of wrinkles, and the whole system is high in stability and not easy to layer or precipitate.