Gold Sheet Classic Formulas … Natural Herb Library

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Calms the Spirit and settles fright - Jin Bo is classically used in severe palpitations, agitation, delirium, panic, or emotional shock when a heavy mineral anchor is needed.
Subdues Yang and helps control convulsive heat patterns - it appears in emergency pill tradition when Liver wind, seizures, or phlegm-fire disturb the orifices.
Resolves toxicity and supports sores - gold leaf can be ground for external use or incorporated into compound prescriptions for toxic lesions.

An Gong Niu Huang Wan - Jin Bo is the famous outer coating and spirit-settling mineral adjunct in this emergency closed-heat formula.
Zi Xue Dan - classical commentary describes gold leaf water or layered incorporation to help settle agitation and descend phlegm-fire.
Jin Bo Zhen Xin Wan - a traditional spirit-calming pill built around gold leaf's heavy settling action.

Me & Qi and TCM Wiki both describe Jin Bo as acrid, bitter, and neutral, entering the Heart and Liver to calm the Spirit, settle fright, and resolve toxicity.
Classical pharmacopoeia caution that the raw metal remains slightly toxic even after processing, so the leaf form reduces but does not fully erase safety concerns.
Authentication matters because copper-alloy imitation leaf can mimic the appearance of true gold while changing both safety and medicinal quality.