The invention provides leg slimming essence emulsion. The emulsion is prepared from, by weight, hamamelis virginiana extract, chondrus crispus extract, polygonum cuspidatum extract, centella extract,rosemary leaf extract, mother chrysanthemum extract, scutellaria root extract, tea leaf extract, glycyrrhiza glabra root extract, coffea arabica seed extract, carnitine, glycerol, propylene glycol, butanediol, polyglycerol acrylate/acrylic acid copolymer, panthenol, trehalose, betaine, a PEG-60 hydrogenated castor oil mixture, an active stabilizer and the like. The emulsion is prepared for the body mechanism of modern women and used for perspiration, oil discharging and defatting, so that the reduction of calf diameter is achieved, the leg skin can be moisturized, leg skin can be beautified, the dryness of leg can be moisturized, leg keratin is relieved, a production technology is simple, and the using effect is good.