昼夜节律紊乱是癌症幸存者常见的生理变化，主要表现为休息-活动节律改变、睡眠-觉醒障碍和夜间睡眠效益下降，并进一步影响其身心结局和疾病转归。本文综述了癌症幸存者昼夜节律紊乱的概念、作用机制、影响及干预方法，以期为癌症幸存者昼夜节律紊乱的有效干预提供参考。“,”Circadian rhythm disorder is a common physiological change of cancer survivors, which is mainly manifested in rest activity rhythm change, sleep wake disorder and the decrease of sleep efficiency at night, which further affect their physiological, psychological outcome and disease outcome. This paper reviews the concept, mechanism, influence and intervention methods of circadian rhythm disorder in cancer patients, in order to provide references for effective intervention of circadian rhythm disorder in cancer survivors.