（《纲目》）
【主治】小儿惊风。钱氏有剪刀股丸，用剪刀环头研破，煎汤服药（时珍）。
（《拾遗》）
【气味】无毒。
【主治】误吞竹木入咽，烧故锯令赤，渍酒热饮（藏器）。
（《拾遗》）
【主治】妇人横产，取二七枚烧赤淬酒七遍，服（藏器）。
【附方】新一。
眼生偷针∶布针一个，对井睨视，已而折为两段，投井中，勿令人见。（张杲《医说》）
（《纲目》）
【主治】胃热呃逆，用七十二个，煎汤啜之（时珍）。
（《纲目》）
【主治】忧郁结滞，善怒狂易，入药煎服（时珍）。
（《纲目》）
【主治】 鼻不闻香臭，磨石上取末，和猪脂绵裹塞之，经日肉出，
瘥（《普济》）。
（《日华》）
【主治】妇人血噤，失音冲恶，以生姜、醋、小便同煎服。弱房人亦
可煎服（大明）。
（《拾遗》）
【主治】酒醉齿漏出血不止，烧赤注孔中即止（时珍）。
藏器曰∶有犯罪者，遇恩赦免，取枷上铁及钉等收之。后入官带之，得除免。
铁铧（即锸也。《纲目》）
【主治】心虚风邪，精神恍惚健忘，以久使者四斤，烧赤投
醋中七次，打成块，水二斗，浸二七日，每食后服一小盏。（时珍）。
【附方】新三。
小儿伤寒，百日内患壮热。用铁铧一斤，烧赤，水二斗，淬三七次，煎一半，入柳叶七
片，浴之。（《圣济录》）积年齿 ∶旧铁铧头一枚，炭火烧赤，捻硫黄一分，猪脂一分，
于上熬沸。以绵包柳杖 药，热烙齿缝，数次愈。（《普济方》）
灌顶油法∶治脑中热毒风，除目中翳障，镇心明目。生油二斤，故铁铧五两（打碎），
硝
石半两，寒水石一两，马牙硝半两，曾青一两，绵裹入油中浸七日。每以一钱顶上摩之，及
滴少许入鼻内，甚妙。此大食国胡商方。（《圣惠方》）
铁犁 尖（《日华》）
【主治】得水，制朱砂、水银、石亭脂毒（大明）。
车辖（即车轴铁辖头，一名车缸。宋《开宝》）
【气味】 无毒。
【主治】喉痹及喉中热塞，烧赤，投酒中热饮（《开宝》）。主小儿大便下血，烧赤，淬
水服（外台）。
【附方】旧二，新一。
小儿下血∶方见上。
妊娠咳嗽∶车缸一枚，烧赤投酒中，冷冻饮料。（《圣惠方》）
走注气痛∶车缸烧赤，湿布裹熨病上。（《千金方》）
马衔 （即马勒口铁也。大明曰∶古旧者好，亦可作医工针也。《开宝》）
【气味】平，无毒。
【主治】小儿痫，妇人难产，临时持之，并煮汁服一盏（《开宝》）。治马喉痹，肿连颊，
壮热，吐气数，煎水服之（《圣惠》）。
(From *Bencao Gangmu* [Compendium of Materia Medica])
【Indications】Treats infantile convulsion (Xiao'er Jingfeng). Qian Yi (Qianshi) created the Jiandaogu Wan (Scissor Ring Head Pill), which involves grinding the ring head of a pair of scissors, decocting it in water, and using the liquid to administer other medicines (recorded by Li Shizhen).
(From *Bencao Shiyi* [Supplement to Materia Medica])
【Flavor and Nature】Non-toxic.
【Indications】For bamboo or wood splinters accidentally swallowed and lodged in the throat: burn an old saw until red-hot, soak it in wine, and drink the warm liquid (recorded by Chen Cangqi).
(From *Bencao Shiyi* [Supplement to Materia Medica])
【Indications】For difficult breech presentation in women: take fourteen pieces (two sevens), heat them red-hot, quench them in wine seven times, and ingest (recorded by Chen Cangqi).
【Additional Prescriptions】One new prescription.
Stye (Yan Sheng Touzhen): Take one cloth needle, gaze obliquely at a well, then break it into two halves and throw it into the well without letting others see (from Zhang Gao's *Yi Shuo*).
(From *Bencao Gangmu* [Compendium of Materia Medica])
【Indications】For hiccups caused by stomach heat: use seventy-two iron nails, decoct in water, and drink (recorded by Li Shizhen).
(From *Bencao Gangmu* [Compendium of Materia Medica])
【Indications】For melancholy with qi stagnation, irritability, and manic changes: include in medicinal decoctions for ingestion (recorded by Li Shizhen).
(From *Bencao Gangmu* [Compendium of Materia Medica])
【Indications】For nasal obstruction and loss of smell: grind on a stone to obtain powder, mix with pig fat, wrap in cotton, and insert into the nostril. After one day, tissue growth occurs, and the condition resolves (from *Puji Fang*).
(From *Rihua Bencao*)
【Indications】For women suffering from blood syncope (Xue Jin), aphonia, and malignant sensations: decoct with fresh ginger, vinegar, and urine, and ingest. Individuals with weak constitutions due to excessive sexual activity may also decoct and ingest this (recorded by Daming).
(From *Bencao Shiyi* [Supplement to Materia Medica])
【Indications】For continuous bleeding from gums due to alcohol intoxication: heat an iron nail red-hot and insert it into the tooth socket to stop bleeding immediately (recorded by Li Shizhen).
Chen Cangqi stated: Criminals who receive amnesty should collect the iron and nails from their shackles. Later, if these items are confiscated by the government and worn as belts, they can help avoid punishment.
Iron Plowshare (Tiehua; i.e., the blade of a spade. *Bencao Gangmu*)
【Indications】For heart deficiency with wind-pathogen invasion, resulting in mental confusion and forgetfulness: take four jin (approx. 2 kg) of long-used plowshares, heat red-hot, quench in vinegar seven times, break into chunks, add two dou (approx. 20 L) of water, and soak for twenty-seven days. Drink one small cup after each meal (recorded by Li Shizhen).
【Additional Prescriptions】Three new prescriptions.
Pediatric Cold Damage with High Fever within 100 Days: Use one jin (approx. 500 g) of iron plowshare, heat red-hot, quench in two dou (approx. 20 L) of water thirty-five times, decoct until half remains, add seven willow leaves, and bathe the child (from *Shengji Zonglu*).
Chronic Toothache: Take one old iron plowshare head, heat red-hot over charcoal, mix with one fen of sulfur and one fen of pig fat, and boil. Wrap the medicine in cotton on a willow stick, apply hot compress to the gum line several times until healed (from *Puji Fang*).
Topical Oil Application: Treats heat-toxic wind in the brain, removes visual obscurations, calms the heart, and brightens the eyes. Mix two jin (approx. 1 kg) of raw oil, five liang (approx. 250 g) of broken old iron plowshare, half a liang (approx. 25 g) of Niter (Xiaoshi), one liang (approx. 50 g) of Cold Water Stone (Hanshuishi), half a liang (approx. 25 g) of Horse Tooth Niter (Mayaxiaoshi), and one liang (approx. 50 g) of Azurite (Cengqing). Wrap in cotton and soak in oil for seven days. Massage one qian (approx. 3-5 g) onto the crown of the head daily, and drip a small amount into the nose. This is highly effective. It is a prescription from Persian merchants in Da Shi (Arabia) (from *Taiping Shenghui Fang*).
Iron Plowtip (Teli Jian) (*Rihua Bencao*)
【Indications】When exposed to water, it neutralizes the toxicity of Cinnabar (Zhusha), Mercury (Shuiyin), and Pyrite (Shingtingzhi) (recorded by Daming).
Axle Pin (Chexia; i.e., the iron pin of the axle, also known as Chegang. Song Dynasty *Kaibao Bencao*)
【Flavor and Nature】Non-toxic.
【Indications】For throat bi (Houbi) and heat obstruction in the throat: heat red-hot, immerse in wine, and drink warm (from *Kaibao Bencao*). Also treats hematochezia in children: heat red-hot, quench in water, and ingest (from *Waitai Mi Yao*).
【Additional Prescriptions】Two old prescriptions, one new prescription.
Hematochezia in Children: See prescription above.
Cough during Pregnancy: One Chegang, heat red-hot, immerse in wine, and drink when cold (from *Taiping Shenghui Fang*).
Wandering Qi Pain (Zouzhu Qitong): Heat Chegang red-hot, wrap in wet cloth, and apply hot compress to the affected area (from *Qianjin Fang*).
Bit (Mayan; i.e., the iron mouthpiece of a horse bridle. Daming stated: ancient ones are best; they can also be used as acupuncture needles by physicians. *Kaibao Bencao*)
【Flavor and Nature】Neutral, non-toxic.
【Indications】Treats pediatric epilepsy and dystocia in women: hold during labor, and decoct in water to drink one cup (from *Kaibao Bencao*). Treats equine throat bi, swelling extending to the cheeks, high fever, and frequent panting: decoct in water and ingest (from *Taiping Shenghui Fang*).