Myocardial infarction into the icu, a few days can be good can not be generalized, the prognosis is mostly related to the individual’s physical condition, the degree of the disease, age and so on. 1. personal physical condition: if the patient has underlying diseases, such as hypertension, diabetes, chronic obstructive pulmonary disease, etc., this situation will increase the difficulty of treating acute myocardial infarction, into the icu time will generally be extended. 2. Degree of illness: patients with myocardial infarction complications, hypotension, shock, or even heart failure and arrhythmia, this situation into the icu time is generally longer. 3. Age: Elderly patients, their immunity, resistance is poor, the condition of the recovery process is slower, this situation into the icu time is generally longer. If the patient has a myocardial infarction, it is recommended to seek immediate medical attention and active treatment under the guidance of a specialist to prevent further aggravation of the condition.