It is the whole grass of Gynura bicolor, a compositae plant, also known as "great savior", "big fat cow", "native land", "Chinese cabbage medicine" and "blood-activating ginger".

Herbal characteristics: the rhizome is thick, fleshy, massive, 2~3 cm in diameter, grayish yellow when fresh, with many lateral stems and buds, short conical shape and some visible connections. The fracture surface is grayish white.

Produced in Guangxi and other places. The whole plant is used as medicine The aerial parts of Panax notoginseng with white back are used as food and medicine, and are widely used to treat hypertension, hyperlipidemia and diabetes, so it is called "fairy grass".