The invention discloses a ghee whitening skin cream and a preparation method thereof. The ghee whitening skin cream is prepared from the following components including cow ghee, Jojoba oil, oily components including wheat germ oil and grape seed oil, hydrophobic components including Chinese herbal medicine water extract, Chinese herbal medicine ethanol propylene glycol extract, amino acid humectants and tremella extractive, ascorbyl tetraisopalmitate as a biochemical whitening agent, tertiary butyl hydroquinone and butylated hydroxyanisole as antioxidants, propylparaben as a preservative, nipagin ester, MTI and essence, wherein the Chinese herbal medicines are prepared from the following components including glycyrrhiza glabra L., bletilla striata, largehead atractylodes rhizome, leaves of lagerstroemia speciosa, white poria cocos, tribulus terrestris and liquorice. With the adoption of the ghee whitening skin cream, after the components are balanced in matching and reasonable in composing prescription, the ghee as a milk essence with good performance can be applied to the a whitening skin care product so as to obtain a novel ghee whitening skin cream product with remarkable functions of whitening, moistening, moisturizing, stability, long effect, high efficiency and the like.