The invention relates to a skin care composition, and in particular relates to an external skin care composition with functions of softening light, brightening, sunscreen and moisturizing and a preparation method. The skin care composition is prepared from the following raw materials: salicylate and derivatives thereof, cinnamate esters, arbutin, a pomegranate fruit extract, sodium hyaluronate, a honeysuckle flower extract, a seaweed extract, bisabolol, a spiraea salicifolia extract, a passion flower extract, a nutritional supplement, peptide, tea polyphenol and deionized water. According to the invention, by adding the sunscreen, moisturizing and moisturizing raw materials and supplementing the nutritional supplement and the anti-allergic agent, ultraviolet rays are isolated, skin activity is repaired and improved, skin nutrition is supplemented, and the skin is more transparent, brighter and whiter, and is smooth, fine, white and glossy. The skin endoplasm is fundamentally improved from cells, so that the activity, the elasticity, the luster and the soft degree of the skin are obviously improved, small wrinkles are stretched, the skin care effect is remarkable, the sunscreen, moisturizing and brightening effects are remarkable, and the product quality is stable.