Lekadipine Hydrochloride is recommended to be taken about 15 minutes before a meal and the recommended daily dosage is 10mg once daily, which can be increased to a maximum of 20mg if the disease is not well controlled. Lercanidipine Hydrochloride belongs to the dihydropyridine class of calcium channel blockers, which has the ability to diastole blood vessels and reduce the peripheral resistance of blood vessels, and is an antihypertensive drug. It can be used to treat degrees of essential hypertension. If not specifically prescribed, it is recommended to use the drug once a day with a dosage of 10mg, and it is recommended to take the drug about 15 minutes before meals. In case of poor control of hypertension, the dosage can be increased to 20 mg per day. It is necessary to pay attention to the use of the drug, it is recommended to stop the drug and consult a doctor in case of symptoms of adverse reactions such as headache, dizziness, tissue edema, tachycardia, palpitations (accelerated heartbeat, often accompanied by panic), flushing of the skin and other symptoms. It is forbidden to use the drug in case of drug allergy, being pregnant and breastfeeding, suspected pregnancy, left ventricular outflow tract obstruction, congestive heart failure, unstable angina pectoris, severe hepatic and renal failure, acute myocardial infarction within a month, taking cyclosporine or grapefruit juice. The drug needs to be used under the supervision of a clinician.