Cardiac ischemia generally refers to myocardial ischemia, often caused by coronary heart disease, myocardial ischemia is usually curable at the initial stage, which can be cured by drugs, bypass or stents; if ischemic necrosis occurs, it cannot be recovered. But in any case, it is a more serious disease and needs to be taken seriously. 1. Patients with early myocardial ischemia and mild symptoms can be treated with aspirin and statins. 2. When the patient has obvious symptoms such as chest tightness, shortness of breath and crushing chest pain, it proves that myocardial ischemia has reached a more serious level, which can easily develop into acute myocardial infarction, and in serious cases, sudden death may even occur, which threatens the patient’s life. Initially, it can be treated by stent or bypass surgery. 3. If not treated in time, late infarction, there has been a large area of myocardial necrosis, can not be reversed myocardial necrosis, that is, can not be cured. When myocardial ischemia, you should consult a doctor in time and standardize the treatment under the doctor’s guidance.