Acute myocardial infarction emergency care should first be given a packet of heart attack drugs, pay attention to monitoring indicators and urine volume, record the amount of in and out, pay attention to the changes in chest pain and the nature of the patient and dynamic review of myocardial enzymes, myocardial damage markers changes, active preoperative preparation. The patient’s surroundings should be kept quiet to prevent and eliminate nervousness and absolute bed rest. At the same time, cardiac monitoring and vital signs should be closely monitored, and abnormal heart rhythms should be reported to the physician at the first time. The clinical manifestations of acute myocardial infarction patients are sudden onset of chest pain or precordial pressure sensation, shortness of breath, chest tightness with profuse sweating, some patients may experience nausea, vomiting, loss of consciousness, etc. Therefore, it is important to clean the patient’s oral foreign body in time and keep the patient’s airway unobstructed.