Preventive nursing can significantly reduce the incidence of constipation in patients with acute myocardial infarction. By implementing strategies such as early mobilization, dietary modifications, and appropriate fluid intake, nurses can help prevent constipation and its associated complications. Additionally, monitoring for signs of constipation and providing timely interventions can improve patient outcomes. It is important for nurses to be aware of the risk factors for constipation in this population and to implement personalized care plans to address any potential issues.