Tianqi's leaves are long elliptic or oblong, long acuminate at the apex, nearly rounded at the base, with finely serrated leaf margins. It is a perennial herb with pungent flavor, and enters the liver and stomach meridians to treat vomiting of blood, epistaxis, hematemesis, bleeding from wounds, carbuncle and venomous sores, and has the efficacy of stopping hemorrhage, swelling, and relieving pain.

Distributed in the southwest to southeast of China, sensitive to light, like oblique, scattered, diffuse illumination, avoid strong light, general light transmission to 30% is appropriate, light is too weak, the plant grows in vain, the leaves are soft, the growth of the main root is slow, prone to disease; light is too strong, the plant is short, the leaves are easy to burn,