Shihuida is the trade name of levamlodipine benzenesulfonate tablets, usually after 7~8 days of continuous medication can be effective, but there are individual differences, need to follow the doctor’s instructions for medication. Levamlodipine benzenesulfonate tablets instructions pointed out that after taking the product 6~12 hours can reach the peak of blood concentration, once a day, after 7~8 days of continuous medication, blood concentration can reach a steady state, that is, can be a smooth control of blood pressure. However, there are individual differences due to the individual’s sensitivity to the drug and the degree of tolerance to the drug. Levamlodipine Benzenesulfonate Tablets can be used for the treatment of angina pectoris and hypertension. Adverse reactions may be headache, insomnia, nausea, abdominal pain, edema, fatigue, flushing, palpitations, dizziness and so on. The drug is contraindicated for those who are allergic to dihydropyridine calcium antagonists, and patients should regulate the use of the drug under the guidance of a doctor.