The correct format for blood pressure 130 to 87 is 130/87 mmHg. taking amlodipine benzenesulfonate tablets blood pressure 130/87 mmHg is normal. Clinically normal adults in a quiet state blood pressure range is 120 to 139/80 to 89 mmHg, if 3 times not the same day blood pressure average ≥ 140/90 mmHg diagnosis of hypertension. If the blood pressure is not controlled after 3 to 6 months of lifestyle intervention, antihypertensive medications are needed for treatment. Amlodipine benzenesulfonate tablet belongs to dihydropyridine calcium antagonist, after taking it, it can reduce the extracellular calcium ions into the vascular smooth muscle cells, so as to reduce the peripheral vascular resistance and blood pressure, mainly used in the treatment of hypertension and coronary heart disease. Usually after taking the drug about 6~12 hours will be able to reach the peak blood concentration. The drug may cause dizziness, headache, diarrhea, constipation and other discomforts. For amlodipine allergy is prohibited, in the process of taking the need to pay attention to the aggravation of angina pectoris, myocardial infarction, hypotension, impaired liver function, etc., and pregnant women and lactating women need to be under the guidance of a doctor to use the drug. Usually when taking amlodipine tablets to reduce blood pressure treatment, after the emergence of uncomfortable symptoms, it is recommended to consult a doctor in time for treatment.