Emergency antihypertensive drugs include oral drugs such as captopril and intravenous drugs such as uradil. 1. Oral drugs: Oral emergency antihypertensive drugs include nifedipine, captopril, etc., which can reduce peripheral vascular resistance, relieve and prevent arterial spasm, etc., and are generally effective for a short period of time. This kind of drugs may appear after the use of skin rash, palpitations, edema, dizziness and other adverse reactions, allergy is prohibited. 2. Intravenous drugs: generally there are uradil, sodium nitroprusside, etc., which can have a diastolic effect on vascular smooth muscle and reduce peripheral vascular resistance. Rash, dizziness and other discomforts may occur, allergy and compensated hypertension patients are prohibited. Intravenous drugs can be adjusted according to blood pressure, which is safer. The use of drugs should be based on the physician’s instructions, if there is a sharp rise in high blood pressure, please go to the hospital in a timely manner and according to the doctor’s instructions for treatment, do not use the drug on their own.