味苦，平，小毒。主天下疫气，结黄，疟瘴，蛊毒，煮服之吐下，亦捣敷疮，虫蛇
咬处。藤生道旁篱落间有之，叶细浓，宣湖间有之。
国老。味甘，平，无毒。主五脏六腑寒热邪气。坚筋骨，长肌肉，倍力，金疮 ，解
温中下气，烦满短气，伤脏咳嗽，止渴，通经脉，利血气，解百药毒。为九土之精，安
十二种石，一千二百种草。《药性论》云∶君。忌∶猪肉。诸药中为君，调和使诸药有
主腹中冷痛，治惊痫，除腹胀满，补益五脏，养肾气内伤，令人阴痿，主妇人血沥腰痛，虚
而多热加而用之。日华子云∶安魂定魄，补五劳七伤，一切虚损，惊悸，烦闷，健忘。通九
窍
草
味甘苦，寒，无毒。主折跌绝筋伤中，逐血痹，填骨髓，长肌肉，作汤除寒热积
痹，主男子五劳七伤，女子伤中胞漏下血，破恶血，溺血，利大小肠，去胃中宿食，
绝，补五脏内伤不足，通血脉，益气力，利耳目。《药性论》云∶君。能补虚损，温
通血脉，治产后腹痛，主吐血，久服延年。日华子云∶助心胆气，安魂定魄。治惊悸
心肺损，鼻衄，妇人崩中血晕。晒干者平，用火干者温，功用同前。
大寒。主妇人崩中血不止及产后血上薄心闷绝，伤身胎动下血，胎不落，堕坠 折
血留血，衄鼻吐血，皆捣饮之。《药性论》云∶忌∶三白。味甘，平，无毒。解诸热，
通利月水。日华子云∶生者水浸验，浮者名天黄，半浮半沉者名人黄，沉者名地黄，
佳，半沉者次，浮者劣。煎忌铁器。得∶麦门冬、清酒，良。恶∶贝母。畏∶芜荑。
月采，阴干。
[Sheng Di Huang (Raw Rehmanniae Radix)]
Bitter in taste, neutral in nature, with slight toxicity. It primarily treats epidemic qi prevalent throughout the land, jaundice, malaria, and miasma, as well as gu poison. When boiled and taken orally, it can induce vomiting or purgation; it can also be crushed and applied externally to sores, insect bites, and snakebites. The vine grows by roadsides and among hedges, with fine and dense leaves; it is found in Xuanzhou and Huzhou regions.
[Gan Cao (Licorice Root)] (Note: "Guolao" is an alias for Licorice)
Sweet in taste, neutral in nature, non-toxic. It treats cold and heat pathogenic factors affecting the five zang and six fu organs. It strengthens bones and tendons, promotes muscle growth, increases strength, treats metal weapon injuries, resolves qi rebellion and sinking in warm diseases, alleviates irritability, fullness, shortness of breath, coughs due to organ damage, stops thirst, unblocks meridians, harmonizes blood and qi, and detoxifies various medicines. It is known as the essence of the nine soils, capable of stabilizing twelve types of minerals and one thousand two hundred types of herbs. *Yaoxing Lun* states: It serves as the Sovereign (Jun) herb. Contraindication: Avoid consuming with pork. As the Sovereign herb among all medicines, it harmonizes other drugs to exert their effects, treating cold pain in the abdomen, convulsions, eliminating abdominal distension and fullness, tonifying the five zang organs, nourishing kidney qi and internal injuries, treating impotence in men, and addressing leukorrhea and lower back pain in women. If the body is deficient with excessive heat, it is added to the prescription. Ri Huazi stated: It calms the soul and stabilizes the spirit, supplements the five labors and seven injuries, addresses all deficiencies, palpitations, irritability, and forgetfulness. It opens the nine orifices.
[Shu Di Huang (Prepared Rehmanniae Radix) / Gan Di Huang (Dried Rehmanniae Radix)]
Sweet and bitter in taste, cold in nature, non-toxic. It treats fractures, severed tendons, and internal injuries; expels blood stasis bi-syndrome, fills the marrow, promotes muscle growth, and when decocted, removes cold-heat accumulated bi-syndrome. It treats the five labors and seven injuries in men, and uterine leakage and bleeding in women due to middle-jiao injury. It breaks down evil blood, treats hematuria, benefits the large and small intestines, removes retained food in the stomach, replenishes deficiencies in the five zang organs from internal injury, unblocks blood vessels, boosts qi and strength, and improves hearing and vision. *Yaoxing Lun* states: It serves as the Sovereign (Jun) herb. It can tonify deficiencies, warm and unblock blood vessels, treat postpartum abdominal pain, and address hematemesis. Long-term use prolongs life. Ri Huazi stated: It assists the qi of the heart and gallbladder, calms the soul and stabilizes the spirit. It treats palpitations, heart-lung damage, epistaxis, and syncope due to metrorrhagia in women. Sun-dried form is neutral in nature; fire-dried form is warm in nature; their functions are the same as described above.
[Sheng Di Huang (Raw Rehmanniae Radix) - Continued]
Greatly cold in nature. It treats continuous metrorrhagia in women, postpartum blood rushing up to strike the heart causing suffocation and fainting, fetal movement with bleeding due to bodily injury, retained placenta, blood stasis from falls and fractures, epistaxis, and hematemesis. All these conditions are treated by crushing the herb and taking it as a decoction. *Yaoxing Lun* states: Contraindicated with "San Bai" (Three Whites). Sweet in taste, neutral in nature, non-toxic. It clears various heat pathogens and regulates menstruation. Ri Huazi stated: To test raw material, soak it in water; those that float are called Tianhuang (Heaven Yellow), those half-floating and half-sinking are called Renhuang (Human Yellow), and those that sink are called Dihuang (Earth Yellow). Sinking ones are of best quality, half-sinking are secondary, and floating ones are inferior. Iron vessels should be avoided during decoction. Synergistic with: Ophiopogon tuber (Maidong) and clear wine. Incompatible with: Fritillaria bulb (Beimu). Feared by: Prunus seed (Wuyi). Harvest monthly and dry in the shade.