（干曰运，支曰气）
化气五行
甲己土 乙庚金 丙辛水 丁壬木 戊癸火 子午火 丑未土 寅申火 卯酉金 辰戌水 巳亥木
看日
运气同，曰天符，得病危同困。
气生运，曰顺化。
气克运，曰天刑。
运生气，曰小逆。
运克气，曰不和。
运临气，曰岁会。得病执持。（甲辰、甲戌、丙子、丁卯之年是也）
符会合，曰太乙。得病立死。（戊午、乙酉、己未、己丑之年是也）
客气旁通
看年
子午太阳初之气 丑未厥阴初之气
寅申少阴初之气 卯酉太阴初之气
辰戌少阳初之气 巳亥阳明初之气
看节
大寒初，春分前，初之气主之。
春分初，小满前，二之气主之。
小满初，大暑前，三之气主之。
大暑初，秋分前，四之气主之。
秋分初，小雪前，五之气主之。
小雪初，大寒前，六之气主之。
计法先考年之属某之支，某经初之气；次考月之属某节，某之气主之，次考下轮图，则知某经客气之为某病也。
看日时
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子属胆 胞胎□ 丑属肝 水土生起巳 寅属肺 木生起申 卯属大肠 金生起寅 辰属胃 火生起亥 巳属
脾午属心 未属小肠 申属膀胱 酉属肾 戌属心胞 亥属三焦
少阳（手∶三焦，足∶胆） 热疾
阳明（手∶大肠，足∶胃） 厉疾
太阳（手∶小肠，足∶膀胱） 寒疾
少阴（手∶心，足∶肾） 心疾
厥阴（手∶心包，足∶肝） 末疾
太阴（手∶肺，足∶脾） 肠疾
《入门》曰∶医而不知运气，如面墙而立。况未语小儿之病，尤难辨其某经之所属，保幼之家不可以不知此也。
化生之气对应五行：
甲己年属土，乙庚年属金，丙辛年属水，丁壬年属木，戊癸年属火；
子午年属火，丑未年属土，寅申年属火，卯酉年属金，辰戌年属水，巳亥年属木。
观察日干与岁支的关系：
若运气相同，称为“天符”（Heavenly符），患病则危重且困顿。
若客气生运，称为“顺化”。
若客气克运，称为“天刑”。
若运生客气，称为“小逆”。
若运克客气，称为“不和”。
若运临于气（即大运与岁支五行相同），称为“岁会”（Year Meeting）。患病则病情迁延固执。（如甲辰、甲戌、丙子、丁卯等年份即是这种情况）
若天符与岁会相合，称为“太乙”（Tai Yi, Supreme Unity）。患病则立即死亡。（如戊午、乙酉、己未、己丑等年份即是这种情况）
客气旁通规律：
观察年份：
子午年为太阳初之气，丑未年为厥阴初之气；
寅申年为少阴初之气，卯酉年为太阴初之气；
辰戌年为少阳初之气，巳亥年为阳明初之气。
观察节气：
大寒开始至春分之前，由初之气主事。
春分开始至小满之前，由二之气主事。
小满开始至大暑之前，由三之气主事。
大暑开始至秋分之前，由四之气主事。
秋分开始至小雪之前，由五之气主事。
小雪开始至大寒之前，由六之气主事。
推算方法：先考察该年属于哪个地支，确定哪条经脉的初之气；其次考察月份属于哪个节气，确定由哪一气主事；再次参考下轮图，即可知道某经的客气会导致何种疾病。
观察日时关系：
[图片]
子时属胆，胞胎（此处指代相关脏腑或功能，原文缺字，依语境推测为关联部位）；丑时属肝，水土之气生于巳时；寅时属肺，木气生于申时；卯时属大肠，金气生于寅时；辰时属胃，火气生于亥时；巳时属脾；午时属心；未时属小肠；申时属膀胱；酉时属肾；戌时属心包；亥时属三焦。
少阳经（手少阳三焦经，足少阳胆经）：主热性疾病。
阳明经（手阳明大肠经，足阳明胃经）：主烈性/急性疾病。
太阳经（手太阳小肠经，足太阳膀胱经）：主寒性疾病。
少阴经（手少阴心经，足少阴肾经）：主心脏疾病。
厥阴经（手厥阴心包经，足厥阴肝经）：主末梢/轻微疾病。
太阴经（手太阴肺经，足太阴脾经）：主肠道疾病。
《入门》中说：医生如果不懂运气学说，就像面对墙壁站立一样（一无所知）。何况是诊治小儿的疾病，更难辨别其所属的经脉，保育婴幼儿的医者不可以不知道这些知识。
(The Heavenly Stems are referred to as "Yun" [Movement/Vital Force], and the Earthly Branches as "Qi" [Energy/Air].)
Transformative Qi Corresponding to the Five Elements:
Years of Jia and Ji belong to Earth; Years of Yi and Geng belong to Metal; Years of Bing and Xin belong to Water; Years of Ding and Ren belong to Wood; Years of Wu and Gui belong to Fire.
Years of Zi and Wu belong to Fire; Years of Chou and Wei belong to Earth; Years of Yin and Shen belong to Fire; Years of Mao and You belong to Metal; Years of Chen and Xu belong to Water; Years of Si and Hai belong to Wood.
Observing the Relationship between Day Stem and Year Branch:
When Yun and Qi are identical, it is called "Tian Fu" (Heavenly符), indicating that diseases contracted will be critical and distressing.
When Qi generates Yun, it is called "Shun Hua" (Smooth Transformation).
When Qi overcomes Yun, it is called "Tian Xing" (Heavenly Punishment).
When Yun generates Qi, it is called "Xiao Ni" (Minor Reversal).
When Yun overcomes Qi, it is called "Bu He" (Disorder/Non-harmony).
When Yun coincides with Qi (i.e., the Great Yun shares the same elemental nature as the Annual Branch), it is called "Sui Hui" (Year Meeting). Diseases in such years tend to be persistent and stubborn. (This applies to years such as Jia Chen, Jia Xu, Bing Zi, and Ding Mao.)
When Tian Fu and Sui Hui coincide, it is called "Tai Yi" (Supreme Unity). Diseases contracted in such years may lead to immediate death. (This applies to years such as Wu Wu, Yi You, Ji Wei, and Ji Chou.)
Pass-through Rules of Guest Qi:
Observing the Year:
Years of Zi and Wu correspond to the First Qi of the Taiyang [Greater Yang] channel.
Years of Chou and Wei correspond to the First Qi of the Jueyin [Terminal Yin] channel.
Years of Yin and Shen correspond to the First Qi of the Shaoyin [Lesser Yin] channel.
Years of Mao and You correspond to the First Qi of the Taiyin [Greater Yin] channel.
Years of Chen and Xu correspond to the First Qi of the Shaoyang [Lesser Yang] channel.
Years of Si and Hai correspond to the First Qi of the Yangming [Bright Yang] channel.
Observing the Solar Terms:
From the beginning of Da Han (Great Cold) until before Chun Fen (Spring Equinox), the First Qi governs.
From the beginning of Chun Fen until before Xiao Man (Grain Buds), the Second Qi governs.
From the beginning of Xiao Man until before Da Shu (Great Heat), the Third Qi governs.
From the beginning of Da Shu until before Qiu Fen (Autumn Equinox), the Fourth Qi governs.
From the beginning of Qiu Fen until before Xiao Xue (Minor Snow), the Fifth Qi governs.
From the beginning of Xiao Xue until before Da Han, the Sixth Qi governs.
Calculation Method: First, determine which Earthly Branch the year belongs to, thereby identifying the First Qi of the corresponding meridian. Second, determine which solar term the month falls under, identifying which Qi governs at that time. Third, consult the subsequent cycle diagram to ascertain which disease results from the Guest Qi of a specific meridian.
Observing the Relationship between Day/Hour and Meridians:
[Image]
The Hour of Zi belongs to the Gallbladder; the Hour of Chou belongs to the Liver, where Water and Earth energies arise towards Si. The Hour of Yin belongs to the Lungs, where Wood energy arises towards Shen. The Hour of Mao belongs to the Large Intestine, where Metal energy arises towards Yin. The Hour of Chen belongs to the Stomach, where Fire energy arises towards Hai. The Hour of Si belongs to the Spleen. The Hour of Wu belongs to the Heart. The Hour of Wei belongs to the Small Intestine. The Hour of Shen belongs to the Bladder. The Hour of You belongs to the Kidneys. The Hour of Xu belongs to the Pericardium. The Hour of Hai belongs to the Sanjiao [Triple Burner].
Shaoyang [Lesser Yang] Channel (Hand Shaoyang Sanjiao, Foot Shaoyang Gallbladder): Governs febrile diseases.
Yangming [Bright Yang] Channel (Hand Yangming Large Intestine, Foot Yangming Stomach): Governs severe/acute diseases.
Taiyang [Greater Yang] Channel (Hand Taiyang Small Intestine, Foot Taiyang Bladder): Governs cold diseases.
Shaoyin [Lesser Yin] Channel (Hand Shaoyin Heart, Foot Shaoyin Kidney): Governs heart diseases.
Jueyin [Terminal Yin] Channel (Hand Jueyin Pericardium, Foot Jueyin Liver): Governs terminal/minor diseases.
Taiyin [Greater Yin] Channel (Hand Taiyin Lung, Foot Taiyin Spleen): Governs intestinal diseases.
The text *Ru Men* [Introduction] states: A physician who does not understand the theory of Yun and Qi stands as if facing a wall [ignorant]. This is especially true when treating pediatric diseases, where it is even more difficult to distinguish their affiliation with specific meridians. Therefore, those engaged in child care must not neglect this knowledge.