味辛。性平。有毒。禀西方刚利之气而生。降也。阴中阳也。
【主治】主镇精神。坚骨髓。通利五脏邪气。（本经） 疗小儿惊伤五脏。风痫失志。
镇
心。
（李
【归经】入心肝二经。为镇惊安神之品。（通治肝胆经病金制木重镇怯）
【前论】徐用诚曰。肝经风热。则为惊痫失志。魂魄飞扬。肝属木而畏金。与心为子母。
故
【禁忌】海藏曰。金性坚刚重坠。与血肉之体不相宜。故往往服之致死。 经疏曰。凡
病止
盖惟
味辛。性平。有毒。
【主治】主坚骨。镇心。明目。去风热癫痫。入丸散用。（李 ）
【归经】入心肝二经。为镇惊定怯之品。
【前论】好古曰。白银属肺。本草言生银无毒。银屑有毒。生银乃其天真。故无毒。熔
者投
其
味辛。性平。有毒。禀土金之气而生。生出铜处。其色青黄如铜。不从矿炼。故号自然。
【主治】主折伤散血止痛。破积聚。（开宝） 消瘀血。排脓。续筋骨。治产后血邪。
安
心。
【归经】入肝经。为散瘀破积之品。（续筋接骨神药 入血行血伤科要药）
【前论】丹溪曰。自然铜世以为接骨之药。然此等方尽多。大抵宜补气补血补胃。俗工
迎合
骨之
佐以
【禁忌】经疏曰。凡使。中病即已。切不可过服。以其有火金之毒。走散太甚。
【炮制】雷公曰。凡使。火 醋淬七次。研细。水飞用。
[Gold Foil]
Pungent in taste, neutral in nature, toxic. It is born from the rigid and sharp Qi of the West. It descends. It belongs to Yin containing Yang.
[Indications] Primarily calms the spirit and mind, strengthens the bone marrow, and unblocks pathogenic factors in the five Zang organs (from *Shennong Bencao Jing*). Treats pediatric disorders where fright injures the five Zang organs, wind-phlegm epilepsy with loss of will.
[Meridian Tropism] Enters the Heart and Liver meridians. It is a substance for calming fright and tranquilizing the spirit. (Generally treats diseases of the Liver and Gallbladder meridians; uses Metal to control Wood, heavy settling to dispel timidity.)
[Preliminary Discussion] Xu Yongcheng stated: Wind-heat in the Liver meridian leads to fright, epilepsy, loss of will, and flying soul and essence. The Liver belongs to Wood and fears Metal, and shares a mother-son relationship with the Heart.
[Contraindications] Hai Zang stated: The nature of Metal is rigid, hard, and heavy-sinking, which is unsuitable for flesh-and-blood bodies. Thus, people often die after taking it. Miao Xiyong (author of *Jingshu*) stated: For all cases... disease only... generally only...
[Silver Foil]
Pungent in taste, neutral in nature, toxic.
[Indications] Primarily strengthens bones, calms the heart and spirit, improves vision, and eliminates wind-heat and epilepsy. Used in pills and powders (Li Shizhen).
[Meridian Tropism] Enters the Heart and Liver meridians. It is a substance for calming fright and stabilizing timidity.
[Preliminary Discussion] Li Dongyuan stated: Silver belongs to the Lung. Materia Medica states that raw silver is non-toxic, but silver powder is toxic. Raw silver retains its innate purity, thus it is non-toxic. Smelted... thrown into... its...
[Natural Copper]
Pungent in taste, neutral in nature, toxic. It is born from the Qi of Earth and Metal. It is found at places where copper is produced, with a color greenish-yellow like copper. It does not undergo ore smelting, hence called "Natural."
[Indications] Primarily treats fractures and injuries, disperses blood, relieves pain, and breaks accumulations (from *Kaibao Bencao*). Eliminates blood stasis, drains pus, reconnects sinews and bones, treats postpartum blood pathogens.
[Meridian Tropism] Enters the Liver meridian. It is a substance for dispersing blood stasis and breaking accumulations. (A miraculous drug for reconnecting sinews and bones, enters the Blood level to move blood, an essential herb for trauma surgery.)
[Preliminary Discussion] Zhu Danxi stated: People in the world consider Natural Copper as a bone-setting drug. However, there are many such prescriptions; generally, one should tonify Qi, tonify Blood, and tonify the Stomach. Quacks cater to... bone's... assisted by...
[Contraindications] Miao Xiyong (author of *Jingshu*) stated: Whenever using this, stop once the disease is cured. Do not overdose. Because it possesses the toxicity of Fire and Metal, and its dispersing action is too excessive.
[Processing] Lei Gong stated: Whenever using this, calcine it over fire, quench it in vinegar seven times, grind into fine powder, and use water levigation.