Ghost Needle Herb can lower blood pressure, and now pharmacological research on its role in vasodilatation, but thus decided to use as a hypotensive drug, a little too arbitrary, because the mechanism of hypertension is complex, primary hypertension and genetics, excessive salt intake, obesity, and only lowering blood pressure allopathic treatment, blood pressure will not drop smoothly. From the perspective of traditional Chinese medicine, ghost needle herb is a purgative drug, long-term use will damage the spleen and stomach, leading to diarrhea, nausea, vomiting, so ghost needle herb can not be used alone. Ghost Needle Herb has a complex composition, when its antihypertensive substances work at the same time, other components are also working, unlike Western medicine composition is relatively single. So the application of ghost needle herb to lower blood pressure can not only look at the side of blood pressure, but also consider the presence of other components, so ghost needle herb even if there is a hypotensive effect, the clinical can not be used alone, long-term use.