Low blood pressure refers to diastolic blood pressure, high diastolic blood pressure can take levamlodipine benzenesulfonate. Levamlodipine benzenesulfonate can inhibit calcium ion inward flow, for both systolic and diastolic blood pressure has a lowering effect, can be used in the treatment of hypertension patients. Patients with high diastolic blood pressure can take levamlodipine benzenesulfonate orally in small doses, and pay attention to monitoring blood pressure during the course of medication. Patients with poor therapeutic effects should gradually increase the dose of the drug, and it will take 2 to 4 weeks to achieve the optimal plus effect. Adverse reactions of levamlodipine benzenesulfonate include dry stools, lower limb edema, gingival hyperplasia, palpitations, etc. It is contraindicated in patients with severe hypotension and in patients who are allergic to the components of the drug. Patients with high diastolic blood pressure should take levamlodipine benzenesulfonate orally under the guidance of a physician, and pay attention to a low-salt diet, appropriate exercise and weight control.