The invention discloses a composition component with moisturizing, repairing, relaxing and anti-ageing effects and application thereof. The composition component is prepared from oligopeptide-1, trehalose, paeonia lactiflora root extract, biosaccharide gum-1, ceramide 3, cynanchum atratum exract, alpha-glucan oligosaccharide, polymnia sonchifolia root juice, lactobacillus, silanetriol, hyaluronicacid and palmitoyl tripeptide-5. By adding the composition component of the oligopeptide-1, the trehalose, the paeonia lactiflora root extract, the biosaccharide gum-1, the ceramide 3, the cynanchum atratum exract, the alpha-glucan oligosaccharide, the polymnia sonchifolia root juice, the lactobacillus, the silanetriol, the hyaluronic acid and the palmitoyl tripeptide-5, functions of a product areexpanded, moisturizing can be realized and relaxing and repairing also can be realized, and skin ageing can be resisted; meanwhile, the composition component is soluble in water so that the composition component is not limited by product preparations and can be added into toner, lotion, cream, essence and the like.