High diastolic blood pressure can be improved by medication, dietary modification and lifestyle intervention. 1. Drug treatment: dihydropyridine calcium channel antagonists, angiotensin II receptor antagonists, angiotensin-converting enzyme inhibitors and other medications, such as nifedipine, amlodipine, valsartan, irbesartan, enalapril, captopril and so on. 2. Dietary regulation: low-salt, low-fat and low-sodium diet, balanced and light diet. 3. Lifestyle intervention: quit smoking and drinking, appropriate physical exercise, don’t stay up all night, and develop good work and rest habits. Antihypertensive drugs can have different degrees of side effects, such as ankle edema, headache and dizziness, cough, etc. When taking these drugs, they must be taken under the guidance of a doctor.