Exploring the formation mechanism of individual energy-saving behavior, especially from the perspective of individual micro characteristics, is important to alleviate energy shortage and achieve sustainable economic and social development. The impacts of individual emotional personality and rational personality on energy-saving behavior are analyzed by the hierarchical regression analysis, structural equation, and bootstrap method based on 543 samples in this study. The moderating effect of social environmental atmosphere in the relationship between these personalities and energy-saving behavior is considered. The results show that: (1) emotional personality and rational personality have a positive impact on individuals' energy-saving behavior, and emotional personality has a greater positive effect on energy-saving behavior than rational personality; (2) social environmental atmosphere can strengthen the positive effect of emotional personality on energy-saving behavior, but the moderating effect is not significant in the relationship between rational personality and energy-saving behavior. Based on the study findings, suggestions were put forward, so as to enhance the enthusiasm of public to implement energy-saving behavior.

探索个体节能行为的形成机制，尤其是从个体微观特征角度，对于缓解能源短缺、实现经济社会可持续发展具有重要意义。通过层次回归分析、结构方程、本研究基于 543 个样本的 bootstrap 方法。考虑了社会环境氛围在这些人格与节能行为之间关系中的调节作用。结果表明：（1）情绪人格和理性人格对个体节能行为均有正向影响，且情绪人格对节能行为的正向影响大于理性人格；(2)社会环境氛围可以强化情绪性人格对节能行为的正向影响，但在理性人格与节能行为的关系中调节作用不显着。根据研究结果提出建议，以提高公众实施节能行为的积极性。