河车者，天地之先，阴阳之祖，乾坤之橐龠，铅汞之匡廓，胚 将兆九九数足，我则载
而成之，故谓之河车。历验篇中，名曰混沌皮，盖亦生天地阴阳之始，为七十二丹之首，高
士垂慈，始开端绪。太上云∶若欲长生，当修所生，人之所生，实资于此，所以成功灵应，
非金石草木夜露晓霜之所比伦。修真之士，服之不辍，诚足以还本元补益之道，真得
紫河车（一具，用少妇首生男子者良，带子全者，于东流水洗断血脉，入麝香二钱在
内，以线缝定，用生绢包裹，悬胎于沙瓮内，入无灰酒五升，慢火熬成膏子） 沉香（别研）
朱砂（别研，水飞。各一两） 人参 苁蓉（酒浸） 乳香（别研） 安息香（酒煮，去砂
石。各
上为细末，入河车膏子和药末，杵千百下，丸如梧桐子大，每服七十丸，空心，温酒送
下，沉香汤尤佳。详此丹以紫河车为主，但佐使之药太轻，无病患久服可以轻身延年，补损
扶虚。
乃若病重之人服之，却宜用增添之法也。男子真阳气衰，荣卫虚耗，腰背疼痛，自汗
怔忡，
鹿茸（酒蒸） 川巴戟（去心） 钟乳粉，阳起石（火 ） 附子（炮，去皮脐） 黄
（去芦。各二两） 桑寄生（无则以川续断代） 生鹿角（镑） 龙骨 紫菀（以上各
一两）
上根据前法修制，和前药末，杵和前膏子为丸，汤使如前，或沉香汤下。
妇人血海虚损，荣卫不足，多致潮热心烦，口干喜冷，腹胁刺痛，腰痛腿痛，痰多咳嗽，
惊惕怔忡，经候不调，或闭断不通，宜于内加∶当归（去芦，酒浸） 石斛（去根） 紫石
英（ ，醋淬七次，水飞） 柏子仁（微炒，别研） 鹿茸（酒浸） 鳖甲（醋炙。各二两）
卷柏叶（一
上根据前法修制，和前药末，杵和前膏子为丸，汤使如前，任下。虚寒者，加炮熟附子二
两；
紫河车，是天地形成之前的存在，是阴阳的始祖，如同乾坤之间的风箱（橐龠），也是铅汞炼丹的外廓。在胚胎即将形成、九九之数圆满之时，由它承载而成，所以称之为“河车”。查阅过往医篇，它被称为“混沌皮”，大概是因为它产生于天地阴阳初始之时，位列七十二种丹药之首。高士慈悲，才开启了这一法门。太上老君说：如果想要长生，应当修炼生命的本源；人之所以能出生，确实依赖于它，因此其功效灵验，不是金石、草木、夜露、晓霜等普通药物所能比拟的。修道之人，如果不停服用，确实足以返还本元，起到补益的作用，真正得到了恢复生命根本的方法。
紫河车（一具，以年轻妇女首次生育的男婴胎盘为佳，需带有脐带完整者，用东流水洗净并切断血脉，放入二钱麝香在内，用线缝合固定，用生绢包裹，将胎盘悬挂在沙瓮内，加入无灰酒五升，用慢火熬制成膏状） 沉香（单独研磨） 朱砂（单独研磨，用水飞法处理。各一两） 人参 肉苁蓉（用酒浸泡） 乳香（单独研磨） 安息香（用酒煮，去除砂石。各[缺重量，依上下文推测为适量或与前文同量，此处按原文留白]）
以上药材研成细末，加入紫河车膏药和药末，捣杵千百下，制成如梧桐子大小的丸药。每次服用七十丸，空腹时，用温酒送服，用沉香汤送服效果更佳。详细分析此丹方，以紫河车为主药，但辅助药（佐使药）分量太轻。如果没有疾病的人长期服用，可以身体轻盈、延年益寿，补益亏损、扶助虚弱。
如果是病情严重的人服用，则应该采用增加药量的方法。男子真阳之气衰弱，营卫之气虚耗，出现腰背疼痛、自汗、心悸怔忡等症状，宜添加以下药物：鹿茸（用酒蒸制） 川巴戟天（去除心部） 钟乳粉 阳起石（火煅） 附子（炮制，去皮和脐） 黄芪（去除芦头。各二两） 桑寄生（如果没有，可以用川续断代替） 生鹿角（镑碎） 龙骨 紫菀（以上各一两）
以上药物根据前述方法修制，与前面的药末混合，捣杵并与前面的膏子混合制成丸药，服药汤剂如前所述，或者用沉香汤送服。
妇人血海虚损，营卫之气不足，多导致潮热、心烦、口干喜冷饮、腹胁刺痛、腰痛腿痛、痰多咳嗽、惊恐不安、心悸怔忡、月经不调，或者经闭不通。应当在方剂内部添加以下药物：当归（去除芦头，用酒浸泡） 石斛（去除根部） 紫石英（煅烧，用醋淬七次，水飞法处理） 柏子仁（微炒，单独研磨） 鹿茸（用酒浸泡） 鳖甲（用醋炙。各二两） 卷柏叶（一[缺重量]）
以上药物根据前述方法修制，与前面的药末混合，捣杵并与前面的膏子混合制成丸药，服药汤剂如前所述，任人服用。如果是虚寒体质者，加炮制过的熟附子二两；
The Placenta (Zi He Che), existing prior to Heaven and Earth, is the ancestor of Yin and Yang, functioning as the bellows between Qian and Kun, and the outer framework for Lead and Mercury. When the embryo is about to form and the number of ninety-nine is complete, it carries forth the formation, hence it is called "He Che" (River Chariot). Examining past medical texts, it is named "Hun Dun Pi" (Chaotic Skin), likely because it originates at the beginning of Heaven and Earth and Yin and Yang, ranking first among seventy-two elixirs. The noble sages, out of compassion, initiated this lineage. The Supreme One said: "If you desire longevity, you must cultivate that which generates life; human birth truly relies upon this." Therefore, its efficacy is spiritual and responsive, incomparable to minerals, stones, herbs, night dew, or morning frost. Those who practice cultivation, if they do not cease taking it, can indeed return to their primal origin and benefit from nourishment, truly obtaining the way to restore the fundamental essence.
Placenta (one piece, preferably from a young woman's first-born male infant, with the umbilical cord intact, washed clean in flowing water from the east to sever blood vessels, two qian of Moschus [She Xiang] placed inside, sewn shut with thread, wrapped in raw silk, suspended in a clay pot, added with five sheng of unadulterated wine, slowly boiled into a paste) Agaricus Ligni (Chen Xiang, ground separately) Cinnabaris (Zhu Sha, ground separately, processed by water levigation. Each 1 liang) Ginseng Radetis et Rhizomatis (Ren Shen) Cynomorii (Cong Rong, soaked in wine) Boswelliae Resina (Ru Xiang, ground separately) Styrax (An Xi Xiang, boiled in wine, removing sand and stones. Each [weight missing])
Grind the above into fine powder, mix with the Placenta paste and herbal powder, pound thousands of times, and shape into pills the size of Sophora seeds (Wu Tong Zi). Take seventy pills per dose, on an empty stomach, delivered with warm wine; delivering with Agaricus decoction is especially good. Detailed analysis of this elixir shows that while Placenta is the principal herb, the auxiliary herbs (Zuo Shi) are too light in dosage. For those without illness who take it long-term, it can lighten the body and prolong life, tonifying deficiency and supporting weakness.
However, for those with severe illness, the method of increasing the dosage should be used. For men with decline of True Yang Qi, depletion of Ying and Wei Qi, accompanied by lower back and back pain, spontaneous sweating, and palpitations (Zheng Chong), add the following: Cervus Nippon Cornu Detorquatum (Lu Rong, steamed in wine) Morinda Officinalis Radix (Chuan Ba Ji, remove core) Gypsum Fibrosum Pulvis (Zhong Ru Fen) Yangqishi (fire calcined) Aconiti Lateralis Radix Praeparata (Fu Zi, roasted, remove skin and navel) Astragali Membranacei Radix (Huang, remove rhizome base. Each 2 liang) Taxilli (Sang Ji Sheng, substitute with Pedilanthi Radix [Chuan Xu Duan] if unavailable) Cervus Nippon Cornu (Sheng Lu Jiao, shaved) Longgu (Dragon Bone) Aster Tataricus Radix (Zi Wan) (Above each 1 liang)
Process the above according to previous methods, mix with the previous herbal powder, pound together with the previous paste to form pills. Administer with decoction as before, or deliver with Agaricus decoction.
For women with deficiency and damage of the Blood Sea (Chong and Ren meridians), insufficiency of Ying and Wei Qi, often leading to tidal fever, irritability, dry mouth with preference for cold drinks, stabbing pain in abdomen and hypochondrium, lower back and leg pain, excessive phlegm and cough, fright and restlessness, palpitations, irregular menstruation, or amenorrhea, add internally the following: Angelicae Sinensis Radix (Dang Gui, remove rhizome base, soak in wine) Dendrobii Nobile Caulis (Shi Hu, remove roots) Psilomelani (Zi Shi Ying, calcined, quenched seven times in vinegar, water levigated) Platycodonis Semen (Bai Zi Ren, lightly stir-fried, ground separately) Cervus Nippon Cornu (Lu Rong, soaked in wine) Testudinis et Chelydrae Carapax et Plastrum (Bie Jia, stir-fried in vinegar. Each 2 liang) Selaginellae Tamariscifoliae Herba (Juan Bai Ye) [weight missing]
Process the above according to previous methods, mix with the previous herbal powder, pound together with the previous paste to form pills. Administer with decoction as before, taken as needed. For those with deficiency-cold constitution, add two liang of prepared Aconitum (Pao Shu Fu Zi);