The invention discloses a nourishing youth-keeping facial cleanser and a preparation method thereof. The facial cleanser comprises the substances of: coconut oil, rose infused oil, snow Lotus herb infused oil, gum Arabic, west tragacanth gum, coconut juice, coconut oil fatty acid disodium glutamate, sodium sarcosinate, fatty acid methyl ester sulfonate, glycerine, distilled water, white fungus extract liquid, watermelon extract liquid, lily extract liquid, sodium chloride, vitamin E, a cationic guar gum solution, an essence, ethyl paraben, and disodium edetate. The nourishing youth-keeping facial cleanser provided by the invention has a milky-white color, and is transparent and crystal. The facial cleaner has a proper viscosity, a proper consistency, good stability, rich foam, and good fragrance. The facial cleanser can provide nutrients and deep nourishing effects for facial skins. With the facial cleanser, the skins can turn moistened and elastic.