Objective To clarify the mechanism of childhood traumatic experience on depression，this study constructed a moderated mediation model，focusing on the mediating role of anger expression and the moderating role of stress．Methods A total of 418 male recruits were enrolled to investigate childhood traumatic experiences，stress，anger expression，and depression by questionnaire．Results After controlling for age，educational background，family location，only child status and parental relationship， childhood trauma had a significant positive predictive effect on depression． Internal expression of anger，external expression of anger and control of external expression of anger could mediate the relationship between childhood traumatic experience and depression． The direct predictive effect of childhood traumatic experience on depression was moderated by stress．Conclusions To guide the recruits to express their anger reasonably is of great significance to their depression and their psycho-social adaptation service．

目的 为明确童年期创伤经历对抑郁情绪的作用机制，本研究构建了一个有调节的中介模型，考察在新兵中愤怒表达在二者关系中的中介作用以及压力的调节作用。方法 418名男性新兵为被试，采用问卷法对童年期创伤经历、压力、愤怒表达及抑郁情绪进行调查。结果 (1)在控制年龄、学历、家庭所在地、是否独生和父母关系后，童年创伤对抑郁情绪具有显著的正向预测作用；(2)愤怒对内表达、愤怒对外表达和控制愤怒对外表达能够在童年创伤经历与抑郁情绪的关系中起中介作用；(3)童年创伤经历对抑郁情绪的直接预测作用受到压力的调节。结论 引导新兵合理地表达愤怒情绪，对其抑郁情绪及其心理社会适应服务具有意义。