1, sodium nitroprusside can not be applied continuously for more than a week, to pay attention to the serious adverse effects of the drug, be sure to monitor blood pressure in a timely manner, while determining the alternative medication. 2.Nitroglycerin intravenous drip can also be used for emergency antihypertensive; intravenous application of furosemide is effective for hypertensive patients with heart failure. 3.Out-of-hospital sublingual captopril can be used as a self-help method. 4.Emergency medicine at the same time to consider the application of conventional antihypertensive drugs.