即土豆也。
甘，平，无毒。止痛生肌，消肿收湿。治金疮折伤，疗痈疽肿毒。煮蟹杀腥气，炼桐油
收水
气。涂剪剪灯，则灯自断也。生川广山中。
临杖预服，为末，临时服三五钱，则杖不甚痛。（验方第一）
打伤肿痛，为末酒下。（第二
轻薄如鹅翎管，碎之如指甲光明者真也。生太山山谷。
甘，温，无毒。阳明药也。强阴益阳，明目益精。通百节而利九窍，补虚损而下乳汁。
风化者良，陈久者佳。
辛，温，无毒。散瘀止痛，止血生肌。蚀恶肉而灭瘢疵，止泻痢而收崩带。消积聚而除
结核
，收阴挺而杀疮虫，疗金疮而坠胎孕，住血痢而止水泄。
白带白淫，风化锻石一两，茯苓三两，丸服。（验方第一。）
水泻不止。同上。（第二。）
酒积下痢，为末，水合，泥封固， ，醋丸豆大，姜水下。（第三。）
十年血痢，锻石烧黄，以水投之，澄清以后频熏之。（第四。）
脱肛，锻石烧热，布包坐之，冷再易。（第五。）
产门不闭，锻石熬黄，以水投之，澄清频熏之。（第六。）
腹胁积块，风化者半斤，瓦上炒热，入大黄末一两，炒红取起再炒，取桂末半两略炒，
入米醋
合成膏，摊贴，内服消块药。（第七。）
产门生合不开，铜钱磨利，割开，陈锻石敷之，妙也。（第八。）
疟疾寒热，或一日一发，或二、三日，陈锻石二钱，头垢、灵脂各一钱，饭丸豆大，每
五更无
根水下。（第九。）
猝暴吐血，陈锻石于刀头上烧研，井水下二钱。（第十。）
发落不生，锻石，水拌焙焦，入酒渍之，常服令酒气相接。（十一。）
染发乌须，矿灰一两，化开七日，用官粉一两研匀，好醋调搽，油纸包一夜，先以皂角
水洗净。（十二。）
身面疣目，醋渍锻石六七日，取汁常点之，久自落矣。（十三。）
腮肿痛，醋合敷之。（十四。）
年久恶疮，陈锻石为末，鸡子清合块， 过为末，姜汁合敷之，立效。（十五。）
疮不合，古冢中锻石封之。（十六。）
疥疮有虫，锻石淋汁以洗之。（十七。）
丹毒火热，醋合敷之。（十八。）
杖疮肿痛，新锻石，香油合敷。（十九。）
刀刃金疮，锻石裹之，定痛止血。如不欲速合，入少滑石末。（二十。）
This is the potato.
Sweet in flavor, neutral in nature, non-toxic. It alleviates pain and promotes tissue regeneration, reduces swelling and absorbs dampness. It treats traumatic injuries and fractures, and cures carbuncles, sores, and toxic swellings. Boiling crabs with it eliminates fishy odors; refining tung oil with it removes moisture. Applying it to scissors causes them to break when cutting lamp wicks. It grows in the mountains of Sichuan and Guangdong.
To be taken in advance before receiving corporal punishment (caning). Ground into powder, take three to five qian at the time of punishment, then the pain will not be severe. (Verified Formula 1)
For painful swelling due to blunt trauma, ground into powder and taken with wine. (2)
Thin and light like a goose feather quill, true material breaks like fingernails and appears bright/luminous. It grows in the valleys of Mount Tai.
Sweet in flavor, warm in nature, non-toxic. It enters the Yangming channel. It strengthens yin and benefits yang, improves vision and essence. It unites the joints and opens the nine orifices, tonifies deficiency and depletion, and promotes lactation.
Those that have undergone weathering are of good quality; aged ones are better.
Pungent in flavor, warm in nature, non-toxic. It disperses blood stasis and alleviates pain, stops bleeding and promotes tissue regeneration. It cauterizes foul flesh and eliminates scars, stops diarrhea and dysentery, and arrests metrorrhagia and leukorrhea. It resolves accumulations and eliminates tubercles, retracts uterine prolapse and kills parasitic worms, treats traumatic injuries and induces abortion, stops bloody dysentery and halts watery diarrhea.
For leukorrhea and white seminal emission, use one liang of weathered forged iron scale and three liang of Poria cocos (Fuling), processed into pills for oral administration. (Verified Formula 1.)
For persistent watery diarrhea. Same as above. (2.)
For dysentery caused by alcohol accumulation, grind into powder, mix with water, seal with mud, [text missing], process with vinegar into pills the size of beans, and take with ginger decoction. (3.)
For chronic bloody dysentery lasting ten years, heat the forged iron scale until yellow, add water, let settle, and frequently fumigate with the clear liquid. (4.)
For rectal prolapse, heat the forged iron scale, wrap in cloth, and sit on it; replace when cool. (5.)
For failure of the vaginal opening to close after childbirth, heat the forged iron scale until yellow, add water, let settle, and frequently fumigate with the clear liquid. (6.)
For abdominal and hypochondriac masses, take half a jin of weathered material, stir-fry on a tile until hot, add one liang of Rhizoma Polygoni Cuspidati (Dahuang) powder, stir-fry until red, remove, stir-fry again, add half a liang of Cinnamomi Cortex (Guipi) powder, stir-fry slightly, add rice vinegar to form a paste, apply externally, and internally administer formulas to resolve masses. (7.)
For adhesion of the vaginal opening preventing separation, sharpen a copper coin, cut open the adhesion, and apply aged forged iron scale; this is miraculous. (8.)
For malaria with alternating chills and fever, occurring once daily or every two to three days, take two qian of aged forged iron scale, one qian of human hair mass (Tougu), and one qian of Trogopteri Excrement (Wulingzhi), process with rice into pills the size of beans, and take with "rootless water" (rainwater) at the fifth watch. (9.)
For sudden profuse hematemesis, heat aged forged iron scale on the head of a knife until calcined, grind, and take two qian with well water. (10.)
For alopecia where hair does not grow, use forged iron scale, mix with water and roast until scorched, soak in wine, and take regularly to maintain the effect of the wine. (11.)
For dyeing hair black and mustache dark, dissolve one liang of mineral ash for seven days, mix evenly with one liang of refined lead powder (Guanfen), blend with good vinegar, apply, wrap in oiled paper overnight, and first wash clean with soap pod water. (12.)
For warts on the body and face, soak forged iron scale in vinegar for six to seven days, take the juice, and apply frequently; they will naturally fall off over time. (13.)
For painful swelling of the cheeks, blend with vinegar and apply. (14.)
For chronic malignant ulcers, grind aged forged iron scale into powder, mix with egg white to form lumps, [text missing] process, grind into powder, blend with ginger juice, and apply; efficacy is immediate. (15.)
For wounds that fail to heal, seal with forged iron scale from ancient tombs. (16.)
For scabies with parasites, wash with the leachate of forged iron scale. (17.)
For erysipelas with intense heat, blend with vinegar and apply. (18.)
For painful swelling of caning wounds, blend new forged iron scale with sesame oil and apply. (19.)
For cuts and traumatic injuries from blades, wrap with forged iron scale to alleviate pain and stop bleeding. If rapid healing is not desired, add a small amount of Talcum (Huashi) powder. (20.)