Taking amlodipine benzenesulfonate appeared low blood pressure should be gradually reduced until the blood pressure is normal or stop, change the drug. Amlodipine benzenesulfonate is a commonly used antihypertensive drug in the clinic, if hypertensive patients taking this drug have low blood pressure, it suggests that the patient’s sensitivity to this drug is high or the dose of the drug application is too large. At this time, the dose of this drug should be gradually reduced until the blood pressure control is stable, maintenance of the drug or until the drug is discontinued, if necessary, to the hospital to improve the dynamic blood pressure and other related examinations, further evaluation and then changed to other antihypertensive drug therapy. Amlodipine benzenesulfonate belongs to the long-acting calcium channel blocker, applicable to all types of hypertension, especially the elderly hypertensive patients, can also be used in combination with diabetes mellitus, coronary artery disease or peripheral vascular disease, can be applied alone or with other antihypertensive drugs. Adverse reactions are mainly panic, flushing, headache, foot swelling, etc., allergic to the drug is prohibited. Drugs need to follow the doctor’s instructions for rational application, to avoid self-application caused by adverse consequences.