Enalapril maleate tablets and folic acid tablets belong to different drugs, enalapril maleate tablets belong to angiotensin-converting enzyme inhibitors, is the first line of antihypertensive treatment drugs in the clinic. Taking enalapril maleate tablets can lower blood pressure in patients with high blood pressure. Folic acid tablets are not blood pressure-lowering drugs, belonging to the water-soluble vitamins, hypertensive patients with hyperhomocysteinemia, need to be actively lowering blood pressure at the same time to supplement folic acid, the purpose of supplementing folic acid is not because of lowering blood pressure, but to improve the metabolism of homocysteine to reduce homocysteine levels, because high blood pressure accompanied by hyperhomocysteinemia can increase the occurrence of cerebral strokes, in lowering blood pressure at the same time to add a small dose of folic acid, the patient can also be used to reduce blood pressure. The risk of cerebrovascular accidents can be reduced by adding a small dose of folic acid tablets at the same time.