There are many kinds of herbal medicines with certain antihypertensive effect, the following are recommended several antihypertensive herbal medicines with scientific basis: First, Xia Ku Cao, Xia Ku Cao has antihypertensive and anti-inflammatory, antibacterial and diuretic effects, and has a two-way regulation of blood pressure, the effective component of its antihypertensive is its potassium salt content, which can promote sodium ions out; Second, Ginkgo biloba, Ginkgo biloba is a plant with high medicinal value, its effective component contains flavonoids with the role of dilating coronary vessels, improving cerebral circulation and inhibiting platelet activation factor; third, Pueraria lobata, clinical research shows that Pueraria lobata can cause peripheral vasodilation, improve microcirculation and vascular endothelial cell function, with the role of reducing the ratio of thromboxane and prostacyclin; fourth, wild chrysanthemum, wild chrysanthemum can slow down the heart rate, but also can make the blood pressure drop, its hypotensive effect is mainly related to reducing peripheral Fifth, hooked vine, the active ingredients of hooked vine is hooked vine alkaloids and iso-hooked vine alkaloids; sixth, rooibos, rooibos for the oleander family rooibos leaves, its antihypertensive components are mainly quercetin, total flavonoids and carbohydrates; seventh, mulberry and dulcimer, this two types of antihypertensive effect is good, both have a certain role in vasodilatation.