【歌】婴儿脏腑未全成，长养之时必变蒸。变则气升蒸则热，八蒸十变始成人。
【论】夫小儿初生，形体虽具，其气、血、精、神、志、意、魂、魄，俱未能全，故三十二日一变，六十
四日一蒸。凡遇一变，即觉性情自有异于前，所以长养志意故也。初生至三十二日一变，生癸水，属足少阴肾，
主精志。六十四日一蒸二变，生壬水，属足太阳膀胱，其发耳与尻冷。至九十六日三变，生丁火，属手少阴心，
主藏神，其性为喜。至一百二十八日四变二蒸，生丙火，属手太阳小肠，其发汗出而微惊。至一百六十日五变，
生乙木，属足厥阴肝，主藏魂，喜哭。至一百九十二日六变三蒸，生甲木，属足少阳胆，其发目不闭而赤。至
二百二十四日七变，生辛金，属手太阴肺，主藏魄，生声。至二百五十六日八变四蒸，生庚金，属手阳明大肠，
其发肤热而汗，或不汗。至二百八十八日九变，生己土，属足太阴脾，主藏意与智。至三百二十日十变五蒸，
生戊土，属足阳明胃，其发不食，肠痛而吐乳。又，手厥阴心包络与手少阳三焦二经，俱无形状，故不变而不蒸。十变
五蒸者，天地之数以生成之，然后生志意，能言语，知喜忽，故云始全也。十变后，六十四日为一大蒸，计三
百八十四日也，长其经脉、手、足，故手受血而能持物，足受血而能行立。又六十四日为二大蒸，计四百四十
八日，则言语、意志大异于前。又六十四日为三大蒸，计五百一十二日，变蒸既足，儿乃成人。盖变者，变生
五脏志意，蒸者，蒸养六腑气血，故变则上气，蒸则体热。每一变蒸，轻则发热微汗如惊，五日乃解；重则壮
热脉乱而数，或吐或汗，或烦啼燥渴，七日始解。亦有变蒸之余，续感寒邪，随证调之可也。具有不热不惊而
暗变者，胎气实故耳。
柴胡汤
治变蒸骨热心烦，啼叫不已，或寒热往来。
人参 甘草 麦冬（去心） 防风 柴胡 龙胆草
惺惺散
治变蒸发热，咳嗽痰诞，鼻塞声重，或挟疮疹发热者。
川芎 桔梗 人参 白术 茯苓 甘草 细辛 花粉 生姜 薄荷
水煎温服。
紫阳黑散
治变蒸热不解及挟时瘟病。
麻黄（去根节，三分） 大黄（一分） 杏仁（一分，一半去皮，一半连皮）
上三味，烧存性，研末，每服半钱，水半盏，煎服，抱儿于暖处，取微汗，身凉即愈。
调气散
治变蒸吐泻，不乳多啼。
木香 香附 人参 浓朴 藿香 陈皮 甘草（等分）
姜、枣煎服。
消食丸
治变蒸时乳食过多，胃气不能消化。
砂仁 陈皮 三棱 蓬术 神曲 麦芽（等分） 香附（加倍）
末之，曲糊丸，白汤下，量儿加减。
[Verse] The viscera of an infant are not yet fully formed; during the period of growth and nourishment, "Bian" (Transformation) and "Zheng" (Steaming) must occur. "Bian" refers to the rising of Qi, while "Zheng" refers to the generation of heat. After ten Bians and five Zhengs, the human body is considered complete.
[Dissertation] When a child is first born, although the physical form is complete, its Qi, Blood, Essence, Spirit, Zhi (Will), Yi (Intent), Hun (Ethereal Soul), and Po (Corporeal Soul) are not yet fully developed. Therefore, a Bian occurs every 32 days, and a Zheng occurs every 64 days. Whenever a Bian occurs, one can perceive that the child's temperament naturally differs from before; this is to cultivate their Zhi and Yi. From birth to 32 days constitutes the first Bian, generating Gui Water, which belongs to the Foot Shaoyin Kidney Meridian, governing Essence and Zhi. At 64 days, the second Bian and the first Zheng occur, generating Ren Water, which belongs to the Foot Taiyang Bladder Meridian, manifesting as coldness in the ears and the sacrum. At 96 days, the third Bian occurs, generating Ding Fire, which belongs to the Hand Shaoyin Heart Meridian, governing the storage of Shen (Spirit), with a temperament characterized by joy. At 128 days, the fourth Bian and the second Zheng occur, generating Bing Fire, which belongs to the Hand Taiyang Small Intestine Meridian, manifesting as sweating and slight palpitations. At 160 days, the fifth Bian occurs, generating Yi Wood, which belongs to the Foot Jueyin Liver Meridian, governing the storage of Hun, manifesting as a tendency to cry. At 192 days, the sixth Bian and the third Zheng occur, generating Jia Wood, which belongs to the Foot Shaoyang Gallbladder Meridian, manifesting as eyes that do not close and appear red. At 224 days, the seventh Bian occurs, generating Xin Metal, which belongs to the Hand Taiyin Lung Meridian, governing the storage of Po, manifesting as the production of vocal sounds. At 256 days, the eighth Bian and the fourth Zheng occur, generating Geng Metal, which belongs to the Hand Yangming Large Intestine Meridian, manifesting as skin heat and sweating, or absence of sweating. At 288 days, the ninth Bian occurs, generating Ji Earth, which belongs to the Foot Taiyin Spleen Meridian, governing the storage of Yi (Intent) and Zhi (Wisdom). At 320 days, the tenth Bian and the fifth Zheng occur, generating Wu Earth, which belongs to the Foot Yangming Stomach Meridian, manifesting as refusal to eat, abdominal pain, and regurgitation of milk. Furthermore, the Hand Jueyin Pericardium Meridian and the Hand Shaoyang Sanjiao (Triple Burner) Meridian have no distinct shape; therefore, they do not undergo Bian or Zheng. The ten Bians and five Zhengs follow the numerical laws of Heaven and Earth for generation and completion; only then are Zhi and Yi produced, speech is acquired, and emotions like joy and surprise are understood, hence it is said that the body is now complete. After the ten Bians, another 64 days constitute a Great Zheng, totaling 384 days, which nourishes the meridians, hands, and feet; thus, when the hands receive Blood, they can grasp objects, and when the feet receive Blood, they can walk and stand. Another 64 days constitute the second Great Zheng, totaling 448 days, at which point speech and will differ significantly from before. Another 64 days constitute the third Great Zheng, totaling 512 days; once the Bian and Zheng processes are sufficient, the child becomes an adult. Generally speaking, "Bian" transforms and generates the Zhi and Yi of the Five Zang Organs, while "Zheng" steams and nourishes the Qi and Blood of the Six Fu Organs; thus, Bian causes Qi to rise upward, and Zheng causes body heat. In each Bian-Zheng cycle, mild cases manifest as low-grade fever, slight sweating, and symptoms resembling palpitations, resolving within five days; severe cases manifest as high fever, chaotic and rapid pulse, vomiting, sweating, irritability, crying, dryness, and thirst, resolving within seven days. There are also instances where, after the Bian-Zheng process, external Cold pathogenic factors are contracted due to residual weakness; these should be treated according to the specific syndrome. Additionally, those who undergo hidden changes without fever or palpitations do so because their Fetal Qi is substantial.
Chaihu Tang (Bupleurum Decoction)
Treats bone heat, mental restlessness, incessant crying, or alternating chills and fever during the Bian-Zheng period.
Renshen (Ginseng Radix), Gancao (Licorice Radix et Rhizoma), Maidong (Ophiopogonis Tuber), Fangfeng (Saposhnikoviae Radix), Chaihu (Bupleuri Radix), Longdancao (Gentianae Radix).
Xingxing San (Awakening Powder)
Treats fever due to Bian-Zheng, cough with profuse phlegm, nasal congestion with heavy voice, or fever complicated by sores and rashes.
Chuanxiong (Ligusticum Chuanxiong Rhizome), Jiegeng (Platycodonis Radix), Renshen (Ginseng Radix), Baizhu (Atractylodis Macrocephalae Rhizoma), Fuling (Poria), Gancao (Licorice Radix et Rhizoma), Xixin (Asari Radix et Rhizoma), Huafen (Trichosanthis Radix), Shengjiang (Zingiberis Rhizoma Recens), Bohe (Menthae Haplocalycis Herba).
Decoct in water and take warm.
Ziyang Heisan (Purple Yang Black Powder)
Treats persistent heat during Bian-Zheng and complications with seasonal epidemic diseases.
Mahuang (Ephedrae Herba, remove root nodes, 3 fen), Dahuang (Rhei Radix et Rhizoma, 1 fen), Xingren (Armeniacae Semen Amarum, 1 fen, half peeled, half unpeeled).
The above three ingredients are burned until carbonized but retaining their properties, then ground into powder. Take half a qian per dose, decoct with half a zhan of water, and administer. Hold the infant in a warm place to induce slight sweating; recovery occurs when the body cools down.
Tiaoqi San (Regulating Qi Powder)
Treats vomiting and diarrhea, refusal to nurse, and excessive crying during Bian-Zheng.
Muxiang (Aucklandiae Radix), Xiangfu (Cyperi Rhizoma), Renshen (Ginseng Radix), Houpo (Magnoliae Officinalis Cortex), Huoxiang (Agastaches Herba), Chenpi (Citri Reticulatae Pericarpium), Gancao (Licorice Radix et Rhizoma, equal parts).
Decoct with Shengjiang (Zingiberis Rhizoma Recens) and Dazao (Jujubae Fructus) and take.
Xiaoshi Wan (Digestive Food Pills)
Treats indigestion due to excessive milk and food intake during the Bian-Zheng period, where Stomach Qi fails to digest.
Sharen (Amomi Fructus Rotundus), Chenpi (Citri Reticulatae Pericarpium), Sanleng (Sparganii Rhizoma), Pengzhu (Curcumae Rhizoma), Shenqu (Massa Medicata Fermentata), Maiya (Hordei Fructus Germinatus, equal parts), Xiangfu (Cyperi Rhizoma, doubled amount).
Grind into powder, make pills using Qu paste (fermented dough), and swallow with plain warm water. Adjust dosage according to the infant's condition.