Amlodipine benzenesulfonate tablets instructions do not specify the specific time to take the drug, so the drug can be taken either before or after meals, it is recommended to use under the guidance of a doctor. Amlodipine benzenesulfonate tablets is a kind of western medicine, for calcium channel blocking drugs; used for the treatment of hypertension, chronic stable angina pectoris and vasospastic angina pectoris; the common adverse reactions of this drug are headache, edema, fatigue, insomnia, nausea, abdominal pain, flushing, palpitations and vertigo, etc.; forbidden to patients who are allergic to any of the components of this product or dihydropyridine drugs. This product is well absorbed orally and is not affected by food intake; therefore, it can be taken either before or after meals; amlodipine benzenesulfonate tablets should be used under the guidance of a professional doctor, and should not be used blindly on its own to avoid adverse reactions.