The first aid measures used in acute heart failure are generally the following: 1. Keep the patient in bed, avoid activities, if breathing difficulty, should be given semi-sitting position. 2. Give oxygen, usually medium flow oxygen, can also be given mask oxygen. 3. For patients with heart failure with decreased ejection fraction can be treated with cardiotonic drugs, intravenous slow pushing of cetiran cardiotonic treatment. 4. 5.Treat the original disease, if the acute heart failure is caused by infection or lung infection, antibiotics should be applied to anti-infection treatment; if the acute left heart failure is caused by myocardial infarction, while treating heart failure, we should immediately prepare for the operation and give interventional treatment or thrombolytic therapy.