Hypertensive crisis according to the clinical characteristics of the following drugs: 1, acute aortic coarctation: sodium nitroprusside combined with the application of Esmolol, etc.; 2, hypertensive encephalopathy: intravenous injection of Uraldil, Labetalol and other drugs; 3, acute cerebral hemorrhage: Uraldil, diuretics and other drugs; 4, acute cerebral infarction: Nicardipine, Esmolol and other drugs; 5, acute heart failure: sodium nitroprusside, nitroglycerin and other drugs; 6, hypertensive encephalopathy: intravenous injection of Uraldil, Labetalol and other drugs; 6 Acute myocardial infarction: intravenous pumping of nitroglycerin; 7. Combined eclampsia: selection of labetalol to lower blood pressure; 8. Acute hypertension: sodium nitroprusside, labetalol and other drugs; 9. Special diseases: pheochromocytoma causing hypertension, selection of phentolamine; specific medication, please combine with clinical, by the doctor’s face-to-face guidance shall prevail.