Enalapril Maleate once in the morning and once in the evening is OK. Enalapril Maleate is taken orally in 1 or 2 divided doses and is mainly used to treat high blood pressure and heart failure. Enalapril maleate has adverse reactions such as cough, dry mouth, fatigue, epigastric discomfort, palpitations, chest tightness, rash, leukopenia and proteinuria. If any of these adverse reactions occur, it is necessary to go to the hospital to adjust the dose or stop the drug. Renal function and white blood cells should be monitored regularly when using this drug. Nursing mothers, pregnant women, children should be cautious of using this drug, renal function is seriously impaired people should be cautious of using, allergic to this product and bilateral renal artery stenosis patients are prohibited. The application of antihypertensive drugs need to be adjusted according to the condition of individualization, the need to adjust the drug please go to the regular hospital to ask a professional doctor for guidance, do not blindly use the drug, so as not to delay the condition.