Effects: Clearing away heat and fire, relieving restlessness and thirst, promoting the regeneration of the tissue and wound healing.
Properties: Pungent and sweet in flavour, cold in nature, it acts on the lung and stomach channels. The cold property of the drug clears away the heat, the pungent flavour expels the heat and sweet flavour promotes the production of the body fluid. The drug is good at clearing away the intense heat in the system and excessive fire of lung and stomach, hence relieving restlessness and quenching thirst. Therefore, it is one of the important drugs for treating the syndromes of excessive heat in the system, cough and asthma caused by intense heat and excess of stomach fire. The property of the drug became astringent after calcined and the calcined gypsum can promote regeneration of the tissue and wound healing.