Modern research has proven that TCM is very reliable in lowering hypertension. After research has proved that various TCM treatments have the following effects in lowering blood pressure: first, improving the physiological function of blood vessels, scavenging oxygen free radicals, dilating blood vessels and lowering blood pressure. Second, improve water and sodium retention, protect the kidneys, and thus play a role in lowering blood pressure. Third, inhibit the activity of renin-angiotensin-aldosterone system, thus playing a role in lowering blood pressure. Fourthly, interfering with the activity of the nervous system, thus playing a smooth and antihypertensive role. Fifthly, it affects the action of other endocrine-regulating active substances. Therefore, Chinese medicine is very reliable in lowering blood pressure.