The ignited earth of the chamber of a stove.
Irregular in sizes; surface reddish brown, fracture yellow-brown. Acrid
in taste, slightly warm in nature, and attributive to spleen and stomach
1. Warm the middle-jiao to stop bleeding: For hematemesis, hemafecia and
metrorrhagia of asthenia-cold type.
2. Warm the middle-jiao to stop vomiting: For vomiting due to stomach-cold
and morning sickness.
3. Anti-diarrhea by astringing intestines: For chronic diarrhea due to
asthenia of spleen.
15-30g (wrapped with cloth on boiling).