Inclusion Criteria:  Newly developed ST segment elevation myocardial infarction (STEMI) and non-ST segment elevation myocardial infarction (non-STEMI) according to clinical symptoms, ECG and laboratory confirmation; Patients aged 18-80 yr; Scheduled for PCI; With normal cognitive function indicated by MMSE score >16 and able to cooperate with intervention; Agreed to participate and signed the consent form.  Exclusion Criteria:  Previous STEMI or non-STEMI; Previous coronary artery bypass grafting (CABG) ; Developed thrombolysis within the last 30 days; Cardiogenic shock history; Persistent atrial fibrillation history; Severe complications (e.g. ventricular septal rupture, free wall rupture or acute severe mitral regurgitation) warrant surgical interventions; Uncontrolled hypertension (systolic blood pressure >160mmHg or diastolic blood pressure >100mmHg); With peripheral neuropathy, peripheral artery disease, superficial thrombophlebitis or deep vein thrombosis; Other severe systemic diseases; Participated in other trials previously.