The invention discloses anti-haze moisturizing essence and a preparation method of the anti-haze moisturizing essence. The anti-haze moisturizing essence comprises a component A, a component B and a component C, wherein the component A comprises glycerol, 1,3-butanediol, hyaluronic acid, polyglutamic acid and xanthan gum; the component B comprises allantoin, betaine, chamomile extracting solution and deionized water; the component C comprises p-Hydroxyacetophenone and 1,2-pentanediol. The preparation method of the anti-haze moisturizing essence comprises the following steps: respectively preparing raw material mixed solutions of the component A and the component B, adding the raw material mixed solution of the component A into the raw material mixed solution of the component B, carrying out mixing, carrying out stirring, thus obtaining the raw material mixed solution of the component A and the component B, adding the raw material mixed solution of the component A and the component B into a raw material mixed solution of the component C, carrying out stirring, and carrying out cooling, thus obtaining the anti-haze moisturizing essence. The anti-haze moisturizing essence can resist haze and resist allergy, and is good in moisturizing effect, good in breathability, and comfort in use, and the preparation method is simple, and is easy to operate and implement.