<p>Postpartum depression is a common type of psychiatric disorder during the postpartum period. It significantly affects the mental and physical health of new mothers and has long-term negative effects on the growth and development of infants and toddlers. Consequently, there is increasing research both domestically and internationally on the treatment of postpartum depression, though the means of treatment are limited. This article conducted a systematic literature search in the following databases: China National Knowledge Infrastructure Journal Database, Wanfang Data Knowledge Service Platform, VIP Chinese Journal Service Platform, Pubmed Database, Web of Science, etc. This paper provides a comprehensive review of the research on pharmacological treatment, non-pharmacological treatment, and combined treatment of postpartum depression both domestically and internationally, offering a foundation for further exploration of effective clinical treatment methods for postpartum depression.</p>