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As for the common people's use of medicines, how could they know that there is naturally a hierarchy of Sovereign (Jun), Minister (Chen), Assistant (Zuo), and Courier (Shi); since they distinguish between Sovereign and Minister, how can they possibly differentiate between mutual enhancement (Xiang Xu), mutual promotion (Xiang Shi), mutual inhibition (Xiang Wei), and mutual aversion (Xiang E)?

Just as Mao (now known as Yanscao, Salt Grass) when沾 (stained with) urine, immediately dissolves the toxicity causing swelling from Banmiao (Mylabris); Xiangdan (Elephant Gallbladder) being sticky shows that medicines have distinct natures. A fish inserted into a tree immediately dries up; but if applied with Goudan (Dog Gallbladder), (by pouring dog gall into the insertion point), it returns to its original state. Wumingyi (Wumingyi Mineral, resembling Yuliushi or Duanshi in shape and taste) stops pain; after amputating a finger, it seems to remove the nail. Shengshi (Holy Stone) opens blindness, clarifies vision like clouds dispersing to reveal the sun. Danggui (Angelica Sinensis) both stops bleeding and invigorates blood; its head and tail have different effects: (the head stops bleeding, the tail breaks blood). Ruizi (Prunus mume seed) cooked or raw determines sleep: cooked aids sleep, raw treats insomnia. Bidanlu (residue from steaming vessels) can dilute saltiness, similar to Jiu zhan Jiaojiao (wine mixed with Zhijiao branch, also called Jiaojiao branch). Iron encountering Shensha (Cinnabar) becomes soft as clay and fine as powder; stones treated with He fen (Crane excrement) turn to flying dust. Seeing orange flowers resembles marrow. Broken strings and swords restored to original condition by Luanyue (Luan Blood); (Luan blood refined into glue, sticking broken parts so iron never breaks again). When seas dry and rivers vanish, throwing in Youbo (Swallow) makes things float immediately. Lead resisting fire requires Xiutian (Sky-Mending Stone, now called Butianshi); to make the form firm, one cannot forget Zibei (Purple-backed Tiankui). There is Zibeitiankui, resembling common edible kuaicai, but purple on back and green on front, capable of solidifying lead forms. Retaining Pishuang (Arsenic Trioxide) in the crucible relies entirely on Zongxin (Zongxin Grass, now called Shizhu, not edible palm, beware of confusion). This grass grows in certain prefectures where many insects and beasts exist. Cihuang (Realgar) meeting Qinhua (Celery Flower): (The herb is named Liqi, resembling Peony, blue-green flowers, growing up to three feet, leaves with yellow spots, bitter-astringent taste, usable; boiling Cihuang with it instantly stops fire properties), instantly becoming Geng Metal; encountering Chixu (Red Whisker Grass, now called Huxu Grass), used to boil Zhu Sha (Cinnabar), generates fire verification, forever remaining in the Golden Crucible. Fire generating in water cannot be achieved without Hai KT sui (Sea KT Marrow); (There is a beast in the sea named KT, placing its marrow in oil; this oil touching water generates uncontrollable fire, extinguishable only by spraying wine, do not collect under eaves). Growing teeth relies on Xiongshu zhi gu mo (Male Rat Spine Bone Powder). (If teeth break and fail to regrow for years, take male rat spine bone powder, rub on the broken area, teeth regenerate immediately). Falling hair and eyebrows grow back upon applying Banxia (Pinellia); (For falling brows and hair, refine fresh Pinellia stems, extract the juice, apply to bald areas, hair grows immediately). Strabismus (Pi Yan) corrects itself with Wu Hua (Five-Leaf Acanthopanax/Wujia Pi). (Wujia Pi has male and female varieties; three leaves are male, five are female. Use the five-leaf variety, grind to powder, soak in wine and drink, eye conditions will straighten). Flesh growth on feet cured by tying Sangdang gen (Datura root); (For flesh growths on feet, tie Datura root to the belt, through resonance, pain ceases permanently). Frequent urination at night cured by decocting Bibi (Dioscorea hypoglauca); (For nocturia, decoct Bibi alone at night, prevents night waking). Cold body and distended abdomen rely on Luchi (Cormorant); (For abdominal distension like a drum, mix Cormorant powder with rice water, causes immediate emaciation). Overflowing blood stopped by drinking Gua Zi (Melon Seed); (Sweet melon seeds pounded, oil removed, taken with water, stops bleeding immediately). Frequent coughing and reverse qi settled by taking Shu Xion (Cooked Tianxiong/Aconitum lateral root preparation) with wine; (Paozhi Tianxiong mixed with wine, one qianbi dose settles it instantly). Generalized wind rashes cured by cold Lingjiu Tiaosheng Cezi (Raw Side-root of Aconite); (Side-roots of Aconite ground to powder, taken with cold wine, heals instantly). Intestinal deficiency with diarrhea and dysentery requires Cao Ling (Wubeizi/Gallnut); (Gallnut powder taken with cooked water stops diarrhea instantly). Long-term thirst and vexation suit Zhuli (Bamboo Juice); removing masses relies on Xiaosha (Niter/Crystal). (Xiaosha and Nishi two substances. Ground in mortar, calcined together, taken with wine for divine effect). Poor appetite and reduced drinking require Lu Pu (Reed Root and Magnolia Bark); (For anorexia or low alcohol tolerance, decoct Ni Shui Lugen and Houpo, taken as soup). Strengthening sinews and bones requires Congshan (Cistanche and Eel); (Cistanche and eel ground to powder, pillified with Huangjing juice, increases strength tenfold. From "Ganning Ji" Zai). Preserving complexion and prolonging life requires Jing Zheng Shenjin (Steamed Divine Brocade); (Improves complexion, takes Huangjing natural juice mixed with finely ground Shenjin, steamed in willow wood steamer for seven days, pillified with wood honey, restores youthful appearance). Knowing ulcer locations, applying Yinjiao (Crucible Soot) orally indicates organ pathology reaching the painful site, sufficient for diagnosis. Postpartum edema cured by Ganpi (Licorice Root) with wine; (Postpartum facial/body swelling, wine-administered Licorice root heals instantly). Mouth ulcers and cracked tongue healed by Huangsu (Yellow Butter); (Mouth ulcers/cracked tongue, coat with yellow butter roasted powder, holds in mouth for instant relief). Severe headache relieved by Nasal Xiaomo (Niter Powder); (Headache, insufflate Niter powder into nose, stops instantly). Fatal heart pain seeks Yantu (Corydalis); (Corydalis powder taken with wine heals instantly). Such are a hundred cases demonstrating medicinal efficacy. I, unworthy, encountered a enlightened era, erroneously studied medical principles; though seeking sage methods, difficult to exhaust subtleties. Briefly stating drug functions, not indulging in immortal arts, regarding processing methods like Pao (roasting), Ao (simmering), Zhu (boiling), Zhi (frying), how can their chronology be forgotten? To examine origins, must consult "Haiji". Measuring my short sight, I directly record Pao, Ao, Zhu, Zhi, listing formulas, divided into Upper, Middle, Lower volumes, three hundred items detailed below:

Any formula stating pills size of fine hemp seeds, compare weight to 4 liang carp eyes.
Stating size of large hemp seeds, compare to 6 liang carp eyes.
Stating size of small beans, compare to 8 liang carp eyes.
Stating size of large beans, compare to 10 liang carp eyes.
Stating size of rabbit mushrooms (vulgarly rabbit feces), compare to 12 liang carp eyes.
Stating size of parasol tree seeds, compare to 14 liang carp eyes.
Stating size of bullet/pearl, compare to 16 liang carp eyes.
Fifteen white pearls equal one bullet-sized pill.
Any formula stating 1 yi, 2 yi to 10 yi of water, weigh each yi, limit is 12 liang.
Any formula stating 1 liang, 1 fen, 1 zhu, use current silk cotton scale. Do not mistake 4 zhu for 1 fen; error damages drug potency.
Any formula stating San (Powder), make only powder. Wan (Pill), make only pill. Or wine-boiled, or vinegar-used, or milk-decocted, all follow rules.
Refining honey in formulas: every jin yields only 12.5 liang or 1 fen. If fire too weak or too strong, neither is usable.
Decoction using fat: first refine to remove membrane before use.
Processing various drugs: focus exclusively, avoid mixing. Order of Ao then Zhu, or Zhu then Ao, must not change, strictly follow law.
Compounding pills: if using honey, use only honey; if using maltose, use only maltose; if using sugar, use only sugar. Do not mix, otherwise causes diarrhea.