There are many drugs that can both lower blood pressure and diuretic, such as spironolactone, a potassium-preserving diuretic, which can not only lower blood pressure and diuretic, but also help prevent vascular success, and is a secondary prevention drug for heart failure patients. In addition, such as torasemide, furosemide, hydrochlorothiazide, these drugs are widely used in the clinic, both to lower blood pressure and diuretic drugs. At present, they are often used in combination with other types of antihypertensive drugs, which can play a synergistic role in lowering blood pressure, especially hydrochlorothiazide tablets, which are often used in combination with sartan or prolipid antihypertensive drugs to lower the patient’s blood pressure, which can prevent hyperkalemia caused by prolipid or sartan drugs. If the patient’s blood pressure is relatively high, especially if the systolic blood pressure exceeds 180 mmHg, the patient is often advised to routinely combine an antihypertensive drug with a diuretic to lower the blood pressure.