Wen Yu Jin Oblong or ovoid, slightly compressed or curved, the two end tapering, 3.5-7cm long, 1.2-2.5cm in diameter. Externally pale brown or greyish-brown, with irregular longitudinal wrinkles, the raised longitudinal wrinkles pale in colour. Texture compact, fracture greyish-brown and horny. Endodermis ring distinct. Odour, slightly aromatic; taste, slightly bitter.

Huang Si Yu Jin Fusiform, sometimes slender at one end, 2.5-4.5cm long, 1-1.5cm in diameter. Externally brownish-grey or greyish-yellow, with fine wrinkles. Fracture orange, but edges brownish-yellow to brownish-red. Odour, aromatic; taste, pungent.

Gui Yu Jin Long conical or oblong, 2-6.5cm long, 1-1.8cm in diameter. Externally with sparse and shallow wrinkles or relatively coarse reticulate wrinkles. Odour, slight; taste, slightly pungent, bitter.

Lv Si Yu Jin Long ellipsoid, rather stout, 1.5-3.5cm long, 1-1.2cm in diameter. Odour, slight; taste weak.

Amenorrhea, dysmenorrheal, distending or pricking pain in the chest and abdomen; impairment of consciousness in febrile diseases, epilepsy, mania; jaundice with dark urine.

1.Promoting flow of Qi and removing blood stasis

This drug can be used to treat distention and pain of the chest, epigastrium and abdomen, dysmenorrhea, etc. due to stasis of Qi and blood. It can be used in combination with Radix Bupleuri,Rhizoma Cyperi, Radix Angelicae Sinensis, Radix Paeoniae Alba, etc.

2.Clearing away heat from the heart to relieve depression

In treating damp-warm disease,mental confusion due to phlegm and unconsciousness, the drug is often used in combination with Rhizoma Acori Graminei, Fructus Gardeniae, Talcum, ect. In treating epilepsy and mania as result of mental confusion due to phlegm-heat, the drug is often used in combination with Alumen or Rhizoma Cyperi, Scolopendra, etc.

3.Cooling blood to arrest bleeding

This disease can be used to treat hematemesis, epistsxis, hematuria, retrograde menstruation, etc.due to accumulation of blood-heat. It is often used in combination with other drugs for cooling blood to arrest bleeding such as Radix Rehmanniae, Cortex outan Radicis, Fructus Gardeniae, etc.

In addition, since this drug has cholagogic effect,it is often uesd in combination with Herba Lysimachiae, Herba Artemisiae Scopariae, Fructus Gardeniae, etc. to treat cholecystitis and jaundice. The drug is also commomly used to treat hepatalgia caused by cirrhosis, chronic hepatitis, hematuria seen in renal tuberculosis, and "encephalitis B" and "epidemic encephalitis" which are manifested by coma, schizophrenia and mania.