Coptis cinerea is the root or whole grass of Coptis cinerea in Compositae. The plant Bunge Umbrella is distributed in Northeast China, North China, Central China, Shaanxi, Gansu, Guizhou, Russian Far East, Korea and Japan.

The rhizome of Lepidoptera is oblate and curved, with a length of 1 ~ 4 cm and a diameter of 0.3 ~ 0.8 cm. The surface is brown and rough, with irregular connections and longitudinal wrinkles, and many roots are born downward on both sides. The root is cylindrical, curved, 5 ~15cm long and 0.1~ 0.3cm in diameter; The surface is grayish brown or light brownish yellow, and the surface is densely covered with grayish white root hairs with fine longitudinal wrinkles; Brittle, easily broken, slightly flat section, white skin and brown wood.