The best drugs for diastolic blood pressure lowering are the following categories: 1, calcium channel blockers, such as nifedipine, amlodipine besylate, etc., which have a hypotensive effect on diastolic blood pressure. 2, choose angiotensin-converting enzyme inhibitors, such as captopril, enalapril and other drugs, or angiotensin II receptor antagonists, such as temsifloxacin, etc., or beta-blockers, such as tartaric acid, metoprolol, etc. The choice of angiotensin-converting enzyme inhibitors, such as captopril and enalapril, or angiotensin II receptor antagonists, such as telmisartan, etc., or beta-blockers, such as tartaric acid and metoprolol, etc. It is recommended to choose one of the above drugs. If the effect of lowering blood pressure is average, it is recommended to lower diastolic blood pressure by improving lifestyle, such as quitting smoking, quitting alcohol, and low salt, low sugar, low fat diet, as well as going to bed early and waking up early, increasing exercise, etc., all of which can play a synergistic role in lowering blood pressure.