Introduction: Puerperal psychosis is a serious psychiatric condition that can arise after childbirth, characterized by hallucinations, delusions and agitated behaviour. Although rare, the severity of the symptoms requires immediate attention. Risk factors include a history of mental disorders and birth complications. Treatment involves hospitalization, antipsychotic medication and psychosocial support, and the presence of pre-existing heart disease aggravates the condition, requiring specialized nursing care. Multidisciplinary collaboration is essential for the well-being of mother and baby. This literature review examines the relationship between puerperal psychosis and heart disease, offering insights for clinical practice. To identify nursing behaviors in women with puerperal psychosis associated with heart disease. Method: Bibliographic review based on articles from the LILACS and BDENF databases, published in the last 6 years. Exclusion criteria: articles in languages other than those used in the research, more than 10 years old or incomplete. The search involved the DeCS. Results: Puerperal psychosis associated with heart disease requires a multidisciplinary approach. The role of nursing is essential in education, emotional support and early monitoring. Adherence to treatment faces challenges such as social stigma and lack of resources. Conclusion: The study highlights the importance of nursing care for women with puerperal psychosis and heart disease, emphasizing the need for integrated health policies and professional training to improve clinical outcomes