General treatment of acute heart failure: keep the airway open, administer oxygen, continuous electrocardiographic monitoring, establish intravenous access, and use oxygen tubes, masks, non-invasive ventilation, mechanical ventilation, etc. as appropriate. Pharmacological treatment: 1, sedation, analgesia can be used morphine, if necessary, can also be repeated intramuscular morphine. 2, diuretic preferred tab diuretic, a single diuretic is not effective, can be used in combination with a variety of diuretics, or combined with dobutamine, are not effective, you can choose ultrafiltration. 3, vasodilation can be used nitrate or sodium nitroprusside, improve peripheral circulation, reduce preload. In addition, dobutamine and depot are used for those with hypotension; insulin is used for those with hyperglycemia; and cetiran is used for those with atrial fibrillation. In case of acute embolism caused by heart attack, reconstruction of blood flow should be the main focus.