To explore the characteristics of counterfactual thinking in eldmen individuals,This study firstly employed cued Counterfactual Thinking,280 oldmen and undergraduates students ones(control group) were selected as the subject's for this study.instructions were offered to induce the subject counterfactual thinking.There is statistical significance in the differene between the eldmen group and group about categories of the whole counterfactual thinking.Counterfactual thinking in the elderly is different from other groups with the characteristics of counterfactual thinking.Older individuals the least number of counterfactual thinking;and counterfactual thinking the highest reasonable.