Lercanidipine is the 3rd generation of dihydropyridine calcium channel antagonist class of antihypertensive drugs, taking drugs should be under the guidance of a doctor, do not blindly take drugs. Lercanidipine is the 3rd generation of dihydropyridine calcium channel antagonist class of antihypertensive drugs, the mechanism of action of its blood pressure is to block the L-type calcium channels on the vascular smooth muscle, inhibit the transfer of calcium ions to the cell, thus dilating arterial vasculature, reduce blood pressure. Lercanidipine has a longer metabolism time, slower onset of action, and a smooth antihypertensive effect, making it a more commonly used antihypertensive drug in the clinic. Long-term oral administration of Lercanidipine may cause headache, dizziness, peripheral edema, tachycardia, palpitations, flushing, drug allergies and other side effects, should follow the doctor’s instructions to ensure the effectiveness of the use of the drug, to reduce the adverse effects.