Enalapril and furosemide are the preferred antihypertensive drugs for acute glomerulonephritis hypertension, because the main causes of hypertension in acute glomerulonephritis are water and sodium retention and sympathetic hyperexcitability. Water and sodium retention is due to the reduction of urination caused by poor renal function. Diuretics can increase the urine volume and reduce the blood volume in the blood vessels, so it will have a hypotensive effect. Because patients with acute glomerulonephritis are accompanied by proteinuria, which will in turn aggravate kidney damage. Enalapril-like drugs have the effect of reducing proteinuria while lowering blood pressure, which has the effect of delaying the deterioration of kidney function, so it is preferred for patients with acute glomerulonephritis to eat these two types of antihypertensive drugs. In general, if the serum creatinine exceeds 221 mmol/L (2.5 mg/dl). Such drugs need to be used with caution.