Enalapril maleate tablets and folic acid tablets are different drugs. Enalapril maleate tablets are angiotensin-converting enzyme inhibitors, which are the first-line antihypertensive treatment drugs in clinical practice. Enalapril maleate tablets can be used to lower blood pressure in patients with hypertension. Folic acid tablets are not blood pressure-lowering drugs, but belong to water-soluble vitamins. Patients with hypertension accompanied by hyperhomocysteinemia need to supplement folic acid while actively lowering blood pressure, the purpose of supplementing folic acid is not because of lowering blood pressure, but to improve homocysteine metabolism and lower homocysteine levels, because hypertension accompanied by hyperhomocysteinemia can increase the occurrence of stroke, and the addition of small doses of folic acid at the same time of lowering blood pressure The risk of cerebrovascular accidents can be reduced by adding a small dose of folic acid tablets at the same time.