After acute myocardial infarction via stenting, attention should be paid to the maintenance of blood vessels. Specific care measures are as follows: 1, use dual antiplatelet drugs aspirin and clopidogrel to prevent myocardial reinfarction; 2, improve left ventricular remodeling through β-blockers and ACEI drugs; 3, use statins for long-term lipid-regulating therapy; 4, carry emergency drugs such as nitroglycerin and anti-cardiac pain; 5, through a rational diet, moderate exercise, smoking cessation and alcohol restriction, and a psychologically balanced lifestyle to effectively Improve and prevent heart attack; 6. Regularly recheck blood lipids.