Objective To study if resveratrol have function on delaying naturally senile mice or not. Methods 12 kind of Kunming age in four-month female small mice contrast a group as youth(A),60 kind of Kunming age in eighteen- month female small mice at random divides 5 group, 12 for a group: Old age blank group (B),old age masculine group(C),old age gypenoside group(D), resveratrol high dose(E),resveratrol low dose(F). Filling the stomach with medicine. Determine the content of H2O2 and the activities of ATP enzyme...