Sublingual rapid antihypertensive drugs mainly include nifedipine tablets, captopril tablets and so on. When the blood pressure rises obviously, you can take one tablet under tongue after chewing, and monitor the blood pressure changes, if the blood pressure is still high, it is recommended to go to the hospital, and follow the doctor’s advice to use better intravenous antihypertensive drugs. 1. Nifedipine tablets: belonging to calcium channel blockers, can be used in the treatment of various types of hypertension, dilate the blood vessels of peripheral and coronary arteries, used to reduce blood pressure, relieve symptoms such as variant angina pectoris. Attention is paid to monitoring blood pressure, monitoring blood pressure, and taking care to prevent the rate of blood pressure from dropping too fast. The patient’s response to the drug determines whether it is given again. Contraindications: note that it should not be used in patients who are allergic to nifedipine or excipient components of the drug, in women within 20 weeks of pregnancy and breastfeeding, in patients with cardiogenic shock. Common adverse reactions include hypotension, panic, peripheral edema, facial flushing, gingival hyperplasia, headache, dizziness cough, dyspnea, swelling of the ankle foot and calf, nervousness, anxiety. 2. Captopril Tablets: belong to angiotensin converting enzyme inhibitors, used in the treatment of hypertension and heart failure. It can also be used for the treatment of diabetic nephropathy or after myocardial infarction. Contraindications: For patients allergic to the product, isolated kidney, bilateral renal artery stenosis, renal hypoplasia, women in pregnancy is prohibited, should not be used in patients with aortic stenosis or obstruction of the output tract. Common adverse reactions include rash, panic, tachycardia, chest pain, cough, dullness of taste, vertigo, headache, leukopenia and granulocytopenia. When a sharp rise in blood pressure occurs, consult the emergency room or cardiovascular department of the hospital, and standardize the treatment under the guidance of the doctor, do not blindly use the drug on your own.