时珍曰∶《别录》有名未用诸石，及诸家所列而不详，难以类附者，通附于此云。石脾 《别
录》有名未用曰∶味甘，无毒。主胃中寒热，益气，令人有子。一名胃石，一名膏石，一名
硝石。生隐蕃山谷石间，黑如大豆，有赤纹，色微黄，而轻薄如棋子，采无时。
弘景曰∶皇甫士安言∶硝石，取石脾与硝石以水煮之，一斛得三斗，正白如雪，以水投
中即消，故名消石。按此说，是取硝石合煮成为真硝石，不知石脾是何物？本草有石脾、石
肺，人无识者。
藏器曰∶石脾生西戎卤地，碱水结成者。
时珍曰∶石脾乃生成者，陶氏所说是造成者。按《九鼎神丹经》云∶石脾乃阴阳结气，
五盐之精，因矾而成，峨嵋山多有之。俗无识者，故古人作成代用。其法用白矾、戎盐各一
斤为末，取苦参水二升，铛中煮五沸，下二物煎减半，去滓熬干，色白如雪，此为石脾也。
用石脾、朴硝、芒硝各一斤为末，苦参水二斗，铜铛煎十沸，入三物煮减半，去滓煎，着器
中，冷水渍一夜，即成硝石。可化诸石为水，此与焰硝之硝石不同，皆非真也。石肺 《别
录》曰∶味辛，无毒。主疠咳寒久痿，益气明目。生水中，状如覆肺，黑泽有赤纹，出水即
干。
弘景曰∶今浮石亦疗咳，似肺而不黑泽，非此也。
石肝 《别录》曰∶味酸，无毒。主身痒，令人色美。生常山，色如肝。
石肾 《别录》曰∶味咸，无毒。主泄痢，色白如珠。
紫石华 《别录》曰∶味甘，平，无毒。主渴，去小肠热。一名茈石华。生中牟山阴，
采无时。
白石华 《别录》曰∶味辛，无毒。主瘅消渴，膀胱热。生腋北乡北邑山，采无时。
黄石华 《别录》曰∶味甘，无毒。主阴痿消渴，膈中热，去百毒。生腋北山，黄色，
采无时。
黑石华 《别录》曰∶味甘，无毒。主阴痿消渴，去热，疗月水不利。生弗其劳山阴石
间，采无时。
陵石 《别录》曰∶味甘，无毒。主益气耐寒，轻身长年。生华山，其形薄泽。
时珍曰∶按《圣济录》云∶汗后耳聋。用陵石，有窍如银眼者，为末。每服一钱，冷水
下。
终石 《别录》曰∶味辛，无毒。主阴痿痹，小便难，益精气。生陵阴，采无时。
封石 《别录》曰∶味甘，无毒。主消渴热中，女子疽蚀。生常山及少室，采无时。
时珍曰∶虎尾之山、游戏之山、婴侯之山、丰山、服山，多封石，即此。
遂石 《别录》曰∶味甘，无毒。主消渴伤中，益气。生泰山阴，采无时。
五羽石 《别录》曰∶主轻身长年。一名金黄，生海水中蓬葭山中，黄如金。
紫佳石 《别录》曰∶味酸，无毒。主痹血气。一名赤英，一名石血。生邯郸，石如
爵茈，二月采。
弘景曰∶《三十六水方》呼为紫贺石。
火药（《纲目》） 时珍曰∶味辛、酸，有小毒。主疮癣，杀虫，避湿气温疫。乃焰硝、
硫黄、杉木炭所合，以为烽燧铳机诸药者。
石 《别录》曰∶味甘，无毒。主咳逆气。生石间，色赤如铁脂，四月采。
马肝石（《纲目》） 时珍曰∶按郭宪《洞冥记》云∶郅支国进马肝石百片，青黑如马肝，
以金函盛水银养之。用拭白发，应手皆黑。云和九转丹吞一粒，弥年不饥。亦可作砚。
猪牙石（《纲目》） 时珍曰∶明目去翳。出西番，纹理如象牙，枣红色。
碧霞石（《纲目》） 时珍曰∶明目、去翳障。
龙涎石（《纲目》） 时珍曰∶主大风疠疮。出齐州。一名龙仙石。
铅光石（《纲目》） 时珍曰∶主哽骨。
太阳石（《纲目》）时珍曰∶刘守真《宣明方》∶治远年近日一切目疾方∶用太阳石、太
阴石、碧霞石、猪牙石、河洛石、寒水石、紫石英、代赭石、菩萨石、金精石、银精石、禹
余石、矾矿石、云母石、炉甘石、井泉石、阳起石、滑石、乌贼骨、青盐、铜青各一两，
砂半两，密陀僧一两，鹏砂三钱，乳香二钱，麝香、脑子一钱，轻粉一钱半，黄丹四两，各
为末，熊胆一斤，白砂蜜二斤，井华水九碗，同熬至四碗，点水内不散为度，滤净收点。此
方所用太阳石、太阴石等，多无考证，姑附于此。朵梯牙（《纲目》） 时珍曰∶周定王《普
济方》∶眼科去翳，用水飞朵梯牙、火 大海螺、碗糖霜，为末，日点。又方∶用可铁刺一
钱，阿飞勇一钱，李子树胶四钱，白雪粉八钱，为末，鸡子白调作锭，每以乳女儿汁磨点之。
又方∶安咱芦（出回回地面）、黑丁香（即蜡粪）、海螵蛸，各为末，日点。所谓朵梯牙、碗
糖
霜、安咱芦、可铁刺、阿飞勇，皆不知何物也？附录于此以俟。白狮子石（《拾遗》） 藏器
曰∶主白虎病，江东人呼为历节风是也。置此于病者前自愈，亦厌伏之意也。白虎，粪神名，
状如猫。扫粪置门下，令人病此。疗法∶以鸡子揩病患痛处，咒愿，送于粪堆之头上，勿反
顾。镇宅大石（《拾遗》） 藏器曰∶主灾异不起。《荆楚岁时记》∶十二月暮日，掘宅四角，
各埋一大石为镇宅。又《鸿宝万毕术》云∶埋丸石于宅四隅，捶桃核七枚，则鬼无能殃也。
神丹（《拾遗》） 藏器曰∶味辛，温，有小毒。主万病，有寒温。飞金石及诸药合成，服之
长生神仙。烟药（《拾遗》） 藏器曰∶味辛，温，有毒。主瘰 五痔 瘿瘤，疮根恶肿。乃
石黄、空青、桂心并四两，干姜一两。为末，置铁片上烧之。以猪脂涂碗覆之，待药飞上，
如此五度。随疮大小，以鼠屎大纳孔中，面封之，三度根出也。无孔，针破纳之。
李时珍说：《名医别录》中记载了名称存在但尚未确定功效的石头，以及各家本草所列述但不详细、难以归类附注的内容，一并附录在此处。
石脾 《名医别录》中记载为“有名未用”（有名称但未明确药用价值）：味甘，无毒。主治胃中寒热，益气，使人能够生育。又名胃石，又名膏石，又名硝石。生长在隐蕃山谷的石缝间，形状像大豆一样黑，带有红色纹理，颜色微黄，质地轻薄如棋子，随时可以采集。
陶弘景说：皇甫士安曾说：硝石，是将石脾与硝石一起用水煮，一斛（古代容量单位）可得三斗，颜色正白如雪，投入水中即刻溶解，所以名叫消石。按照这种说法，这是通过合煮将其他物质转化为真正的硝石，不知道石脾究竟是什么？本草中有石脾、石肺，但没有人认识它们。
李时珍说：石脾是天然生成的，而陶弘景所说的是人工制造的。按《九鼎神丹经》记载：石脾是阴阳结气，五盐的精粹，因矾而成，峨眉山有很多。世俗之人不认识它，所以古人制造它来代替使用。其方法是：用白矾、戎盐各一斤研成粉末，取苦参水二升，在铛中煮沸五次，加入这两种药粉煎至减半，滤去渣滓，熬干，颜色白如雪，这就是石脾。再用石脾、朴硝、芒硝各一斤研成粉末，苦参水二斗，在铜铛中煎煮十沸，放入这三种药物煮至减半，滤去渣滓再煎，倒入容器中，用冷水浸泡一夜，就形成了硝石。它可以化各种石头为水，这与焰硝的硝石不同，都不是真正的硝石。
石肺 《名医别录》说：味辛，无毒。主治久患疠咳、寒痿，益气明目。生长在水中，形状像倒扣的肺，黑色且有光泽，带有红色纹理，出水后即刻变干。
陶弘景说：现在的浮石也能治疗咳嗽，形状似肺但不是黑色且有光泽，不是这种石肺。
石肝 《名医别录》说：味酸，无毒。主治身体瘙痒，使人的面色美好。生长在常山，颜色像肝脏。
紫石华 《名医别录》说：味甘，平性，无毒。主治口渴，去除小肠的热邪。又名茈石华。生长在中牟山的北坡，随时可以采集。
白石华 《名医别录》说：味辛，无毒。主治疸消渴（黄疸伴消渴），膀胱热。生长在腋北乡北邑山，随时可以采集。
黄石华 《名医别录》说：味甘，无毒。主治阳痿消渴，膈中热，去除百毒。生长在腋北山，呈黄色，随时可以采集。
黑石华 《名医别录》说：味甘，无毒。主治阳痿消渴，去除热邪，治疗月经不通利。生长在弗其劳山北面的石缝间，随时可以采集。
陵石 《名医别录》说：味甘，无毒。主治益气耐寒，轻身延年。生长在华山，形状薄而有光泽。
李时珍说：按《圣济总录》记载：发汗后耳聋。使用陵石，选取有孔窍像银眼一样的，研成粉末。每次服用一钱，用冷水送服。
终石 《名医别录》说：味辛，无毒。主治阳痿痹症，小便困难，益精气。生长在陵阴，随时可以采集。
封石 《名医别录》说：味甘，无毒。主治消渴热中，女子疽蚀。生长在常山及少室山，随时可以采集。
李时珍说：虎尾之山、游戏之山、婴侯之山、丰山、服山，多有封石，就是这种石头。
遂石 《名医别录》说：味甘，无毒。主治消渴伤中，益气。生长在泰山北坡，随时可以采集。
五羽石 《名医别录》说：主治轻身延年。又名金黄，生长在海水中蓬葭山中，颜色黄如金。
紫佳石 《名医别录》说：味酸，无毒。主治痹血气。又名赤英，又名石血。生长在邯郸，石头像爵茈（一种紫色草或矿物），二月采集。
火药（出自《本草纲目》） 李时珍说：味辛、酸，有小毒。主治疮癣，杀虫，避湿气温疫。是由焰硝、硫黄、杉木炭混合制成，用于烽火信号和铳机等各种火器药物。
石 （此处原文仅称“石”，疑指某种赤色石类） 《名医别录》说：味甘，无毒。主治咳逆气。生长在石缝间，颜色红如铁脂，四月采集。
马肝石（出自《本草纲目》） 李时珍说：按郭宪《洞冥记》记载：郅支国进贡马肝石一百片，青黑色像马肝，用金盒盛放水银来养护它。用它擦拭白发，应手间全部变黑。云和九转丹吞服一粒，整年不饥饿。也可以用来制作砚台。
猪牙石（出自《本草纲目》） 李时珍说：明目去翳。出产于西番，纹理像象牙，枣红色。
龙涎石（出自《本草纲目》） 李时珍说：主治大风疠疮。出产于齐州。又名龙仙石。
铅光石（出自《本草纲目》） 李时珍说：主治哽骨（鱼刺卡喉）。
太阳石（出自《本草纲目》） 李时珍说：刘守真《宣明方》：治疗远年近日一切眼疾的方子：使用太阳石、太阴石、碧霞石、猪牙石、河洛石、寒水石、紫石英、代赭石、菩萨石、金精石、银精石、禹余石、矾矿石、云母石、炉甘石、井泉石、阳起石、滑石、乌贼骨、青盐、铜青各一两，砂半两，密陀僧一两，鹏砂三钱，乳香二钱，麝香、脑子一钱，轻粉一钱半，黄丹四两，各自研成粉末，熊胆一斤，白砂蜜二斤，井华水九碗，一同熬至四碗，滴入水中不散开为标准，过滤干净后收存点眼。这个方子所用的太阳石、太阴石等，大多没有考证，暂且附录在此处。
朵梯牙（出自《本草纲目》） 李时珍说：周定王《普济方》：眼科去翳，用水飞朵梯牙、火大海螺、碗糖霜，研成粉末，每日点眼。又一方：使用可铁刺一钱，阿飞勇一钱，李子树胶四钱，白雪粉八钱，研成粉末，用鸡蛋清调制成锭剂，每次用母乳磨碎点眼。又一方：安咱芦（出自古回回地面）、黑丁香（即蜡粪）、海螵蛸，各自研成粉末，每日点眼。所谓的朵梯牙、碗糖霜、安咱芦、可铁刺、阿飞勇，都不知道是什么东西？附录在这里以等待后人考证。
白狮子石（出自《本草拾遗》） 藏器说：主治白虎病，江东人称为历节风。将此石放在病人面前，病会自愈，这也是厌伏（驱邪）的意思。白虎，是粪神的名称，形状像猫。扫粪便放在门下，会让人得此病。疗法：用鸡蛋擦拭病患疼痛处，念咒许愿，送到粪堆顶端，不要回头。
镇宅大石（出自《本草拾遗》） 藏器说：主治灾异不起。《荆楚岁时记》：十二月最后一天傍晚，挖掘住宅四角，各埋入一块大石作为镇宅。又《鸿宝万毕术》说：在住宅四角埋入丸石，捶打桃核七枚，则鬼怪无法祸害。
神丹（出自《本草拾遗》） 藏器说：味辛，温，有小毒。主治万病，具有寒温调节作用。由飞炼金石及诸药合成，服用后可长生神仙。
烟药（出自《本草拾遗》） 藏器说：味辛，温，有毒。主治瘰疬、五痔、瘿瘤、疮根恶肿。由石黄、空青、桂心各四两，干姜一两组成。研成粉末，放在铁片上烧制。用猪脂涂抹碗口覆盖在上面，等待药气飞升到碗中，如此重复五次。根据疮口大小，取鼠屎大小的药纳入孔中，面部密封，三次即可根除。如果没有孔，用针破开纳入。
Li Shizhen stated: The stones listed as "having names but undefined uses" in the *Bie Lu* (Classic of Famous Physicians' Supplementary Records), as well as those described by various authors without sufficient detail and difficult to categorize, are appended here collectively.
**Shipi (Stone Spleen)** The *Bie Lu* lists it under "having names but undefined uses": It is sweet in taste and non-toxic. It treats cold-heat in the stomach, tonifies Qi, and promotes fertility. It is also known as Weishi (Stomach Stone), Gaoshi (Paste Stone), or Xiaoshi (Niter Stone). It grows among rocks in the valleys of Yin Fan, black like soybeans, with red veins, slightly yellow in color, and thin and light like chess pieces. It can be harvested at any time.
Tao Hongjing said: Huangfu Mi stated that Niter is obtained by boiling Shipi together with Niter in water; from one hu (an ancient unit of volume), three dou are yielded. It is pure white like snow and dissolves immediately upon contact with water, hence the name Xiaoshi (Dissolving Stone). According to this description, true Niter is formed by boiling other substances together, leaving the nature of Shipi unknown. Although Shiben and Shipfei appear in materia medica, no one recognizes them.
Zang Qi said: Shipi grows in the saline lands of Western Regions and is formed by the crystallization of alkaline water.
Li Shizhen said: Shipi is naturally formed, whereas what Tao Hongjing described is artificially manufactured. According to the *Jiuding Shendan Jing* (Scripture of the Nine Cauldrons Divine Elixir): Shipi is the essence of Yin and Yang qi and the five salts, formed through alum. It is abundant in Mount Emei. Since common people do not recognize it, ancients manufactured substitutes. The method is as follows: Grind one jin each of Bai Fan (Alumen) and Rong Yan (Roc Salt) into powder. Take two sheng of Shenqu water (water infused with Sophora flavescens root), boil in a pan for five boils, add the two powders, and simmer until reduced by half. Strain and dry until white as snow; this is Shipi. To make Niter: Mix one jin each of Shipi, Puxiao (Mirabilite), and Mangxiao (Glauber's Salt) into powder. Add two dou of Sophora flavescens water, boil in a copper pan for ten boils, reduce by half, strain, and further concentrate. Pour into a vessel and soak in cold water overnight to form Niter. This substance can dissolve other stones into water. It differs from Yan Xiao (Saltpeter/Niter used in fireworks) and neither is the true mineral Niter.
**Shipfei (Stone Lung)** The *Bie Lu* states: It is pungent in taste and non-toxic. It treats chronic leprosy cough, cold atrophy, tonifies Qi, and brightens the eyes. It grows in water, resembling an inverted lung, black and glossy with red veins, drying instantly upon exposure to air.
Tao Hongjing said: Floating stone (Fushí) today also treats coughs; it resembles a lung but lacks the black gloss, so it is not this Shipfei.
**Shigan (Stone Liver)** The *Bie Lu* states: It is sour in taste and non-toxic. It treats body itching and enhances complexion. It grows in Changshan and resembles the liver in color.
**Shishen (Stone Kidney)** The *Bie Lu* states: It is salty in taste and non-toxic. It treats diarrhea and dysentery. It is white like pearls.
**Zishi Hua (Purple Stone Flower)** The *Bie Lu* states: It is sweet in taste, neutral in nature, and non-toxic. It treats thirst and clears heat from the small intestine. Also known as Cishi Hua. It grows on the north slope of Mount Zhongmu and can be harvested at any time.
**Baishi Hua (White Stone Flower)** The *Bie Lu* states: It is pungent in taste and non-toxic. It treats jaundice with polydipsia and bladder heat. It grows in Bei Yi Mountain, Xibei Township, and can be harvested at any time.
**Huangshi Hua (Yellow Stone Flower)** The *Bie Lu* states: It is sweet in taste and non-toxic. It treats impotence with polydipsia, heat in the diaphragm, and eliminates hundred toxins. It grows in Yubei Mountain, is yellow in color, and can be harvested at any time.
**Heishi Hua (Black Stone Flower)** The *Bie Lu* states: It is sweet in taste and non-toxic. It treats impotence with polydipsia, clears heat, and regulates menstruation. It grows among rocks on the north slope of Fuqilao Mountain and can be harvested at any time.
**Lingshi (Mound Stone)** The *Bie Lu* states: It is sweet in taste and non-toxic. It tonifies Qi, enhances cold resistance, lightens the body, and prolongs life. It grows in Mount Hua, appearing thin and glossy.
Li Shizhen said: According to the *Shengji Zonglu* (General Record of Holy Relief): For deafness after sweating, use Lingshi with pores resembling silver eyes, grind into powder. Take one qian per dose, swallowed with cold water.
**Zhongshi (Final Stone)** The *Bie Lu* states: It is pungent in taste and non-toxic. It treats impotence and numbness, difficult urination, and benefits Essence and Qi. It grows in Lingyin and can be harvested at any time.
**Fengshi (Sealed Stone)** The *Bie Lu* states: It is sweet in taste and non-toxic. It treats internal heat with polydipsia and female carbuncles/ulcers. It grows in Changshan and Shaoshi Mountain and can be harvested at any time.
Li Shizhen said: Huwei Mountain, Youxi Mountain, Yinghou Mountain, Feng Mountain, and Fu Mountain are rich in Fengshi, which is this stone.
**Suishi (Swift Stone)** The *Bie Lu* states: It is sweet in taste and non-toxic. It treats injury to the middle jiao by polydipsia and tonifies Qi. It grows on the north slope of Mount Tai and can be harvested at any time.
**Wuyushi (Five-Feather Stone)** The *Bie Lu* states: It treats lightening of the body and prolongation of life. Also known as Jinhuang (Golden Yellow). It grows in Pengjia Mountains within the sea, yellow like gold.
**Zijiashi (Purple Jia Stone)** The *Bie Lu* states: It is sour in taste and non-toxic. It treats bi-syndrome involving blood and Qi. Also known as Chiying (Red Hero) or Shixue (Stone Blood). It grows in Handan; the stone resembles Zijui (a purple herb/mineral) and is harvested in the second lunar month.
Tao Hongjing said: The *Sanshiliu Shui Fang* (Thirty-Six Water Formulas) calls it Zihe Shi.
**Huoyao (Gunpowder)** (From *Bencao Gangmu*) Li Shizhen said: It is pungent and sour in taste, with slight toxicity. It treats sores, tinea, parasites, and damp-warm epidemic diseases. It is a mixture of Yan Xiao (Potassium Nitrate), Huanghuang (Sulfur), and Shanmutan (Fir Charcoal), used for beacon fires, cannons, and other military applications.
**Shi (Stone)** The *Bie Lu* states: It is sweet in taste and non-toxic. It treats rebellious Qi causing cough. It grows among rocks, red like iron rust, harvested in April.
**Maganshi (Horse Liver Stone)** (From *Bencao Gangmu*) Li Shizhen said: According to Guo Xian's *Dongming Ji* (Records of Mysteries Beyond the World): The country of Zhizhi presented one hundred slices of Horse Liver Stone. They were dark green-black like horse liver and stored in gold boxes filled with mercury. Rubbing white hair with it turns it black instantly. Swallowing one pill of Yunhe Jiuzhuan Dan prevents hunger for a year. It can also be used to make inkstones.
**Zhuyashi (Pig Tooth Stone)** (From *Bencao Gangmu*) Li Shizhen said: It brightens the eyes and removes nebulae. It originates from Xifan (Western Regions). Its texture resembles ivory, and its color is date-red.
**Bixiashi (Green Cloud Stone)** (From *Bencao Gangmu*) Li Shizhen said: It brightens the eyes and removes visual obstructions.
**Longxianshi (Dragon Saliva Stone)** (From *Bencao Gangmu*) Li Shizhen said: It treats severe wind-leprosy sores. It originates from Qizhou. Also known as Longxian Shi (Dragon Immortal Stone).
**Qianguangshi (Lead Light Stone)** (From *Bencao Gangmu*) Li Shizhen said: It treats fishbones stuck in the throat.
**Taiyangshi (Sun Stone)** (From *Bencao Gangmu*) Li Shizhen said: Liu Shouzhen's *Xuanming Fang*: A formula for treating all eye diseases, recent or chronic, uses Taiyang Shi, Taiyin Shi, Bixia Shi, Zhuya Shi, Heluo Shi, Hanshui Shi, Zhi Yingshi, Daizhe Shi, Pusai Shi, Jingjin Shi, Jingyin Shi, Yuyushi, Fankuang Shi, Yunmu Shi, Lugan Shi, Jingquan Shi, Yangqi Shi, Huashi, Oubiegu, Qingyan, Tongqing, each one liang; Ban Sha half liang, Miduoseng one liang, Pengsha three qian, Ruxiang two qian, Shexiang and Naobao (Camphor) one qian, Qingfen one and a half qian, Huangdan four liang. All are ground into powder. One jin of Xiongdan (Bear Gallbladder), two jin of Baisha Mi (White Sand Honey), and nine bowls of Jinghua Shui (Well Water drawn at dawn) are boiled together until reduced to four bowls. The consistency is tested by dropping into water without dispersing. Filter and store for eye drops. Many stones used in this formula, such as Taiyang Shi and Taiyin Shi, lack verification and are appended here provisionally.
**Duotiya (Turmeric/Tutia?)** (From *Bencao Gangmu*) Li Shizhen said: Zhou Dingwang's *Puji Fang*: For removing eye nebulae, use water-pulverized Duotiya, Huo Dahailuo (Fire Giant Sea Snail), and Wantangshuang (Bowl Sugar Frost), ground into powder, applied daily. Another formula: Use Keteci one qian, Afeyong one qian, Lizishujiao (Plum Tree Gum) four qian, Baixuefen eight qian, ground into powder, mixed with egg white to form pellets. Grind with breast milk of a nursing infant and apply daily. Another formula: Anzalu (from Huihui lands), Heidingxiang (Civet Musk/Wax Dung), Hai Piaoxiao (Cuttlebone), each ground into powder, applied daily. The identities of Duotiya, Wantangshuang, Anzalu, Keteci, and Afeyong are unknown. They are appended here for future clarification.
**Baishizishi (White Lion Stone)** (From *Bencao Shiyi*) Zang Qi said: It treats Baihu Bing (White Tiger Disease), known in Jiangdong as Liejie Feng (Joint Wind/Gout). Placing this stone before the patient leads to spontaneous recovery, reflecting the intent of apotropaic suppression. Baihu is the name of a dung spirit, resembling a cat. Sweeping dung near the door causes this disease. Treatment: Rub the painful area with an egg, recite incantations, and place the egg on top of a dung pile without looking back.
**Zhenzhai Dashí (House-Suppressing Large Stone)** (From *Bencao Shiyi*) Zang Qi said: It prevents disasters. The *Jingchu Suishiji* (Chronicles of Jingchu Festivals): On the last day of the twelfth lunar month, dig holes at the four corners of the house and bury a large stone in each to suppress the dwelling. The *Hongbao Wanbi Shu* also states: Bury round stones at the four corners of the house and beat seven peach pits, rendering ghosts powerless to cause harm.
**Shendan (Divine Elixir)** (From *Bencao Shiyi*) Zang Qi said: It is pungent in taste, warm in nature, with slight toxicity. It treats myriad diseases and balances cold and heat. It is synthesized from calcined minerals and various herbs; ingestion grants longevity and immortality.
**Yanyao (Smoke Medicine)** (From *Bencao Shiyi*) Zang Qi said: It is pungent in taste, warm in nature, and toxic. It treats scrofula, five types of hemorrhoids, goiters, and malignant swelling at sore roots. It consists of Shihuang (Realgar?), Kongqing (Azurite), Guixin (Cinnamon Twig), each four liang, and Ganjiang (Dried Ginger) one liang. Ground into powder, placed on an iron sheet, and burned. Cover with a bowl coated in lard. Wait for the sublimated medicine to deposit inside. Repeat this process five times. Depending on the size of the sore, insert a pellet the size of a rat droppings into the opening, seal the face, and repeat three times to eradicate the root. If there is no opening, pierce it with a needle first.