The present invention is the preservative to narcissus flower extract for validity, prevention skin aging or improvement useization makeup take and the manufacture object and healthy functions food of healthy functions food or skin-whitening makeup expense, said extracted object extracted water is Escherichia coli, brilliant antibacterial effect is shown to staphylococcus aureus and green oil bacterium, Coca-Cola system and carat Stark Accra root increase, increase I occupations collagen, increase the aobvious of MMP -1 mRNA and protein, show anti-wrinkle effect, it is activated with T-ara systems because of excessive whitening effect, whitening effect can be reduced, to reduce whitening effect. Preservative can be used in cosmetics or pharmaceuticals, can help improve skin aging and whitening.