Panax notoginseng can be used to treat hypertension. The mechanism of Panax notoginseng in treating hypertension is mainly related to its component Panax notoginseng total saponin. Panax notoginseng total saponin is the active ingredient of Panax notoginseng, which has various pharmacological effects such as vasodilation, reduction of myocardial oxygen consumption, inhibition of platelet aggregation, hypolipidemia, anti-inflammation and antioxidation, etc. It is mainly used in the treatment of cardiovascular and cerebrovascular diseases in clinical practice. Panax ginseng total saponin has good antihypertensive effect, and its mechanism may be related to the direct vasodilating effect, may be related to the inhibition of myocardial contraction, and may also be related to its blocking of norepinephrine, which leads to the obstruction of calcium inward flow. Panax notoginseng has precise efficacy in the treatment of hypertension and has little effect on heart rate, so it can be used as one of the adjuvant drugs in the treatment of hypertension.