Ophiopogon japonicus is an annual herbaceous plant that can be seen everywhere in fields and roadsides. Therefore, when the grass matures, it is covered with needle-like thorns. Folks call it mother-in-law's needle, ghost tribulus, body-sticking grass, steel fork needle, etc.

Pilanopsis is warm in nature, bitter in taste, and non-toxic. The whole plant can be used as medicine. It has the functions of clearing away heat, detoxifying, dispersing blood stasis, and reducing swelling. It is commonly used among the people to treat enteritis, dysentery and other diseases. In recent years, it has been discovered that this drug has a good biphasic regulating effect on blood pressure. Patients with high blood pressure can lower their blood pressure after taking this drug. People with low blood pressure can raise their blood pressure to normal after taking the drug. It is mostly used clinically to lower blood pressure. Not only is it safe and reliable to lower blood pressure with Pilodendron, it can also avoid the side effects of sexual dysfunction caused by some antihypertensive drugs.

Both the young grass and dried product of Psoralea can be used medicinally. For tea drinkers, take 9 grams of the medicine each time and decoct it in water; for tea drinkers, take 3 grams of the medicine each time and put it into a tea cup, soak it in boiling water for 15 minutes, and drink it slowly. It usually takes effect 3 months after taking the medicine. If it can be taken for a long time, it can also have the effect of lowering blood lipids.

Its roots also have the functions of clearing heat, detoxifying, activating blood circulation and dispersing blood stasis.