The fossil of the skeleton of ancient large mammals.
The fossil appearing irregular pieces of various size. Outer surface grey-white
or light brown, with grains and cracks, deep-coloured striae and spots.
Surface uneven, with alveolate pores. Hygroscopicity strong, and adhering
tightly when put on the tongue. Sweet and astringent in taste, mild in
nature, and attributive to heart and liver channels.
1. Calm the liver and suppress the sthenic yang: For sthenia of liver-yang
manifested as dizziness, headache and irritability.
2. Tranquilize the mind: For restlessness, palpitation, insomnia, epilepsy,
3. Astringe and invigorate the kidney to preserve essence: For kidney-deficiency
syndrome manifested as emission, enuresis, metrorrhagia, menorrhagia,
spontaneous perspiration and night sweat; external use for exudative prurigo
and unhealed ulcer.
Tranquilizing, anhidrotic and relieving nocturnal emission.
15-30g (crushed and decocted first). Dens Draconis is more effective for
External use: Appropriate amount.