The invention belongs to the technical field of cosmetic, and more specifically relates to a toner capable of whitening skin, and a preparation method thereof. The toner comprises propylene glycol, polyglycerol-10, hydroxyethyl urea, laurocapram, 3-O-ethyl ascorbic acid, arbutin, pomegranate essence, Chinese herbaceous peony flower extract, thyme extract, panthenol, nicotinamide, polysorbate-20, PEG-40 hydrogenated castor oil, methylparaben, p-hydroxyacetophenone, an essence, and water. The toner possesses following advantages: the toner contains a plurality of natural active ingredients, is capable of supplying skin with water, smoothening and whitening skin, improving rough and dry skin, improving skin dark color, brightening skin, fading flecks, realizing skin balance, is safe and stable, is excellent in permeability, and can be adsorbed easily; after applications of the toner, skin is fresh, and oily feel is eliminated; the preparation method is simple; conditions are controllable; and the toner can be popularized.