产后抑郁症是抑郁症中常见的一种类型，指分娩后4周内出现重度抑郁发作。产后抑郁症损害产妇 心理、生理、社会功能等，该疾病诊断及治疗因多方面因素有较大困难，故产后抑郁的预防环节应得到重 视。预防措施之一—运动，受到广泛关注，但预防机制仍在探索过程中，本文回顾运动对产后抑郁的作用， 以及对运动对产后抑郁预防作用的潜在生物学机制进行汇总。

Postpartum depression is a common type of depression, denoting a major depressive episode manifesting within 4 weeks following delivery. Postpartum depression significantly impairs the maternal psychological, physical, and social functioning. The diagnosis and treatment of this condition are challenging due to various factors, emphasizing the importance of prevention strategies. Among the preventive approaches, exercise has received considerable attention, albeit with an ongoing exploration of its prevention mechanism. The present review aims to provide an overview of the role of exercise in mitigating postpartum depression, and to summarize the potential biological mechanisms underlying the preventive effect of exercise on this disease.