Levofluridine benzenesulfonate should refer to levamlodipine benzenesulfonate, which is usually taken orally, and there is no accurate data on the specific onset of action after oral administration, but the peak blood concentration is reached after 6-12 hours of oral administration, and the effect of the drug can be maintained for about 24 hours. Levamlodipine benzenesulfonate is a long-acting calcium channel blocker. By blocking calcium channels, it can reduce calcium ions in myocardial and vascular smooth muscle cells, causing weakening of myocardial contractility and vasodilation. Clinically, it is mainly used in the treatment of hypertension and angina pectoris. The main adverse reactions of levamlodipine benzenesulfonate include headache, dizziness, fatigue, insomnia, abdominal pain, nausea, flushing, edema, palpitations and so on. It is contraindicated in patients who are allergic to the components of the drug, severe hepatic insufficiency, and should be used with caution in pregnant and lactating women. When using levamlodipine benzenesulfonate for the treatment of hypertension, patients should always use the drug under the guidance of a specialist, as well as good blood pressure monitoring and timely adjustment of the dose according to the level of blood pressure.