The invention relates to the technical field of skin care products, and discloses a whitening and tightening essence care solution. The whitening and tightening essence care solution comprises the following components in parts by weight of 1-5 parts of propylene glycol, 1-3 parts of trehalose, 2-4 parts of nicotinamide, 0.1-1 part of hexapeptide, 3-5 parts of multivitamins, 2-4 parts of an arbutin extract, 2-4 parts of a hamamelis virginiana extract, 2-4 parts of a centella asiatica extract, 1-2 parts of glycerol, 0.5-3 parts of hydrolyzed collagen and 55-80 parts of deionized water. The invention further provides a preparation method of the whitening and tightening essence care solution. The preparation method comprises the following steps of S1, preparing a first mixed solution; and S2, preparing a second mixed solution. The whitening and tightening essence care solution can restore skin elasticity through the hamamelis virginiana extract and other components so as to have the effect of tightening skin, can promote melanin metabolism through the arbutin extract, nicotinamide and other components so as to have the whitening effect, can be stored in a vacuum bottle, and can prevent oxidative deterioration and bacterium breeding.