Amlodipine benzenesulfonate from Fuyuan Pharmaceuticals is usually administered once a day, but the dosage should be taken according to the specific condition under the guidance of a doctor. 1. Amlodipine benzenesulfonate is a calcium channel blocker, mainly used in the treatment of hypertension, chronic stable angina and variant angina. It has a long duration of action and stable antihypertensive effect, and can be given once a day. However, the dosage depends on the patient’s condition and individual situation. 2. When used for hypertension, the initial dose is recommended to be 5mg, but weak or elderly patients, or those with hepatic impairment, generally take 2.5mg as the starting dose, and the dose can be adjusted according to the level of blood pressure control after 7-14 days of application, and the maximum can be increased to 10mg; when used for angina pectoris, the initial dose is recommended to be 5-10mg, and similarly, weak, elderly or those with hepatic impairment should be used at a lower dosage. 3. It should be noted that this product should be contraindicated for those who are allergic to this product, and should be used with caution in patients with heart failure accompanied by severe hypotension, left ventricular outflow tract obstruction, shock, and hemodynamic instability after acute infarction. In addition, adverse reactions such as dizziness, drowsiness, fatigue, ankle edema, flushing and palpitations may occur after taking this product. Therefore, the drug should be used under the supervision of a doctor, do not stop taking it or adjust the dose by yourself to avoid the occurrence of adverse reactions.