For the initial stage of hypertension, you can choose to take the following five categories of drugs: 1, diuretics, diuretics can play a role in lowering blood pressure by reducing blood volume and dilating peripheral blood vessels, often choose to use drugs such as furosemide or hydrochlorothiazide. 2, angiotensin-converting enzyme inhibitors, this condition can usually be used in the initial stage of high blood pressure, accompanied by hyperlipidemia, obesity and other patients. 3, angiotensin receptor This drug, such as captopril, enalapril, etc., is commonly used in patients with combined coronary artery disease, unstable angina. 4, calcium antagonists, can inhibit the inward flow of calcium ions in vascular smooth muscle, so that smooth muscle relaxation, commonly used drugs are nifedipine, amlodipine benzoate, etc. 5, can also use beta-blockers, can lower blood pressure by reducing the heart rate, usually have metoprolol tartrate and so on. For the initial selection, the above five drugs are available, but the combination of drugs is not recommended.