Dry lotus grass, for the Asteraceae plant snakehead intestines of the grass, because when rubbing its stem and leaves, visible black sap out, so it is also known as "ink dry lotus", synonym is also known as Jinling grass, lotus grass. The herb is commonly used in traditional Chinese medicine to nourish the liver and kidney, cool the blood and stop bleeding. It is effective in treating dizziness and dizziness caused by deficiency of liver and kidney yin, loose teeth, lumbar and back pain, impotence and weakness of the lower limbs, and various bleeding cases caused by blood heat. The herb contains volatile oil, tannin, saponin, araliacein and vitamin A and other chemical components. Animal testing has a hemostatic effect, in vitro testing on Staphylococcus aureus has an inhibitory effect.