According to the query of Knowledge, acute myocardial infarction is a serious cardiovascular disease that requires timely hospitalization for rehabilitation. In developed countries, the cycle of inpatient rehabilitation for acute myocardial infarction has been shortened to 3 to 7 days due to the continuous advancement of medical technology and the optimal allocation of medical resources. This is due to advanced medical equipment, professional medical teams and scientific rehabilitation programs, which enable patients to receive effective treatment and rehabilitation in a short period of time. This rapid recovery cycle not only reduces the pain of patients, but also improves their quality of life.