Low blood pressure refers to diastolic blood pressure. 36-year-old high diastolic blood pressure can be treated by taking angiotensin-converting enzyme inhibitors, angiotensin II receptor antagonists, β-blockers, diuretics, and calcium antagonists. 1. Angiotensin-converting enzyme inhibitors: such as Benadryl, Fosinopril, etc., mainly through the dilation of blood vessels, and then reduce blood pressure. 2. Angiotensin II receptor antagonists: e.g., chlorosartan, irbesartan, etc. 3. β-blockers: such as metoprolol tartrate, bisoprolol fumarate and other drugs, these drugs can inhibit the sympathetic nerve to reduce blood pressure. 4. Diuretics: such as furosemide, which can lower blood pressure by reducing the sodium and water load. 5. Calcium antagonists: such as nifedipine and amlodipine, which can dilate blood vessels and control blood pressure. Specific medication regimen exists due to according to the situation, it is recommended to consult a doctor, and then follow the doctor’s instructions for medication.