The invention relates to a sunscreen repair emulsion and a preparation method thereof. The sunscreen repairing emulsion is prepared from a dioscorea villosa root extract, a camellia flower extract, butyrospermum parkii fruit ester oil, a zanthoxylum piperitum fruit extract, an usnea barbata extract, a Chinese pulsatilla root extract, a rice chaff extract, a cortex fraxini extract, silk fibroin, betaine, isononyl isononanoate, glycerin, glycerol caprylate, 1, 2-propylene glycol, a thickening agent, a thickening agent and a preservative. The skin care product is prepared from the following raw materials: 1, 2-hexanediol, butanediol, cetostearyl alcohol ethyl hexanoate, carbomer, triethylamine alcohol, allantoin, EDTA (Ethylene Diamine Tetraacetic Acid) disodium, PEG-20 (Polyethylene Glycol) methyl glucose sesquistearate, sodium hyaluronate, tocopheryl acetate and deionized water. In the sunscreen repairing emulsion provided by the invention, the sunscreen component is a plant extract, a physical sunscreen agent and a chemical sunscreen agent are not contained, and the sunscreen repairing emulsion is mild in effect, free of skin irritation and high in biological safety. The emulsion is reasonable in formula, stable in property and mild in effect, all the components have a synergistic effect, and the emulsion has the sunscreen and after-sun repairing functions.