小儿食指辨三关男左女右一般看皆知初气中风候末是命门易亦难要知虎口气绞脉倒指看
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五色黄红安乐五脏和红紫依稀有损益紫青伤食气虚烦青黑之时症候逆忽然 黑在其间好手医
人心胆寒若也直上到风关粒米短长分两端如枪冲射惊风至分作枝又有数般面反里顺外为逆顺
逆交连病已难又头长短犹可救如此医人子细看男儿两岁尚为婴三岁四岁幼为名五六次第年少
长七HT 八 渐论情九岁为黄十稚子有病开隔辨其因十一痫疾号癫风疳病还同劳病攻痞癖定为
沉积候退他潮热不相同初看掌心中有热便知身体热相从肚热脚冷伤积实脚热额热是感风额冷
脚热惊所得疮疹发来耳后红小儿有积宜与塌伤寒三种解为宜食泻之时须有积冷泻须用与温脾
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泻且与涩脏腑先将 肠散与之孩儿无事忽大叫不是惊风是天吊大叫气促长声粗误吃热毒闷
心窍
急须吐下却和脾若将惊药真堪笑痢疾努气眉头皱不努不皱肠有风冷热不调分赤白脱肚因毒热
相攻十二种痢何为恶禁口刮（一作滑）肠大不同孩儿有病不可下不热自汗兼自泻神困囟陷四肢
冷干呕气虚神怯怕吐虫面白毛焦穗疳气潮热食不化鼻塞咳嗽及虚痰脉细肠鸣烦躁讶若将有积
与疏通下了之时必生诧孩儿实热下无妨面赤晴红气壮强脉大弦洪肚上热胙腮喉痛尿如汤屎硬
腹胀胁肋满四肢浮肿夜啼长通体生疮肚隐痛下之必愈世为良
小儿食指指纹的辨别，无论男孩女孩，观察方法都是一样的。都知道初关（风关）对应中风候脉，末关（命关）对应命门脉，诊断起来既容易又困难。要知道虎口处的“气”与“绞”脉，需要倒着手指来看。
从形态和颜色来区分：黄色和红色代表五脏安乐、气血调和；红紫色隐约可见，提示身体有损益变化；青色表示伤食或气虚烦闷；青黑色则表明病症逆乱难治。如果黑色出现在中间，那是高明医生的诊察重点。
人心胆寒的症状，如果指纹直上到达风关，其长短如米粒般分为两端，形状像枪冲射，这是惊风至的表现。指纹分叉又有许多种情况，面反里顺外为逆顺。如果逆乱交错相连，病情已经难以救治；但如果头端长短尚可，还有救的机会。因此医生必须仔细观察。
两岁的男孩尚称为婴儿，三到四岁称为幼童，五到六岁次第长大，七到八岁逐渐懂事，九岁称为黄口小儿，十岁称为稚子。孩子生病，要打开衣隔辨别病因。十一二岁时出现的痫疾，号称癫风；疳病则如同劳病攻伐；痞癖定为沉积之候。退热潮热与此不相同。
初看手掌心若有热感，便知身体发热随之而来。肚热脚冷是伤积实证；脚热额热是感受风邪；额冷脚热是惊证所得。疮疹发出时耳后发红。小儿有积滞，适宜给予消导药。伤寒三种解法为宜。食泻之时必须有积滞，冷泻须用温脾汤。水泻且用涩肠散，先将脏腑调理，再用涩肠散与之。
孩子若无事却忽然大叫，不是惊风就是天吊风。大叫时气促，长声粗重，误吃热毒闷于心窍，急须吐下以调和脾胃。若用惊药真是可笑。痢疾努气眉头皱缩，不努不皱则是肠中有风，冷热不调导致赤白痢。脱肚因毒热相攻。十二种痢疾中，何为恶痢？禁口痢、刮肠痢大不相同。
孩子有病不可轻易攻下。若不发热而自汗兼自泻，神志困倦，囟门凹陷，四肢冰冷，干呕，气虚神怯，怕吐虫，面白毛焦，属于疳气潮热、食不化、鼻塞咳嗽及虚痰，脉细肠鸣烦躁惊讶。若将有积滞予以疏通，攻下之时必然产生诧异（指出现变证）。
孩子实热证攻下无妨。面赤睛红，气壮强盛，脉大弦洪，肚上热，腮肿喉痛，尿如汤，屎硬，腹胀胁肋满，四肢浮肿，夜啼长通体生疮，肚隐痛，攻下之必愈。世代相传此为良法。
Differentiation of the three sections of the infant's index finger is performed in the same manner for both boys and girls. It is known that the first section (Feng Guan, Wind Gate) corresponds to the pulse condition of wind-stroke, while the last section (Ming Men, Life Gate) is difficult to diagnose as it involves the gate of life. To understand the "Qi" (vital energy) and "Jiao" (twisted/knotted) pulses at the tiger's mouth, one must observe with the finger inverted.
Regarding morphology and color: Yellow and red indicate harmonious five zang organs and balanced qi and blood; a faint red-purple hue suggests minor excess or deficiency; cyan indicates food stagnation or qi deficiency with irritability; cyan-black signifies adverse and difficult-to-treat conditions. If black appears in the middle, it requires the discernment of an expert physician.
Coldness of the heart and gallbladder manifests when the fingerprint extends straight up to the Feng Guan, divided into two segments like a grain of rice, shooting forward like a spear, indicating approaching convulsions (Jing Feng). There are various other branching patterns; facial expression reversed internally but smooth externally is considered adverse. If adverse patterns interconnect, the disease is difficult to treat; however, if the head segment retains proper length, there is still hope. Thus, physicians must examine carefully.
Boys aged two are still considered infants; those aged three to four are young children; by five to six they grow sequentially; seven to eight years old, they begin to show temperament; nine years old, referred to as "Huang Kou" (yellow-mouthed child); ten years old, called "Zhi Zi" (tender child). When children fall ill, open their clothing to differentiate the cause. At eleven or twelve, epilepsy is called Dian Feng; Gan disease (malnutrition syndrome) attacks similarly to consumption diseases; Pi Xi (abdominal masses) are determined as sedimentary accumulations. Deficient heat differs from tidal fever.
Initially, if the palm center feels hot, body heat follows. Abdominal heat with cold feet indicates food stagnation excess; foot heat with forehead heat indicates wind invasion; forehead coldness with foot heat indicates fright acquisition. When rashes erupt, redness behind the ears occurs. For infants with accumulation, appropriate resolving agents should be given. For the three types of Shang Han (cold damage), resolution is suitable. During dietary diarrhea, accumulation must be present; cold diarrhea requires Wenyi Tang (Warm the Spleen Decoction). Watery diarrhea requires Se Zang San (Astringe Intestines Powder), first regulating the zang-fu, then administering Se Zang San.
If a healthy child suddenly cries out loudly, it is not convulsions but Tian Diao Feng (Heaven-hanging wind). Crying accompanied by rapid breathing and coarse long sounds suggests misconsumption of hot toxins stifling the mind orifices; urgent emesis and purgation are needed to harmonize the spleen and stomach. Using convulsion medicines in such cases is laughable. In dysentery, frowning during straining indicates symptoms; lack of frowning suggests wind in the intestines due to cold-heat disharmony causing red-and-white stools. Tuo Du (prolapse/dysentery collapse) results from toxic heat attack. Among twelve types of dysentery, which are malignant? Jin Kou Li (forbidden-mouth dysentery) and Gua Chang Li (scraping-intestine dysentery) are vastly different.
Children's illnesses should not be treated with purgatives lightly. If there is spontaneous sweating and diarrhea without fever, with mental fatigue, sunken fontanelle, cold limbs, dry vomiting, qi deficiency with spirit timidity, fear of vomiting worms, pale face, scorched hair, it belongs to Gan Qi (Gan qi deficiency) with tidal fever, undigested food, nasal congestion, cough, deficient phlegm, fine pulse, intestinal borborygmus, and irritability. If accumulation is present and cleared via purgation, unexpected complications will arise.
For children with excess heat, purgation is permissible. Red face and eyes, strong qi, large wiry and surging pulse, abdominal heat, swollen cheeks, sore throat, urine like boiling water, hard stool, abdominal distension, full hypochondrium, edema of four limbs, night crying, widespread sores, and hidden abdominal pain will all be cured by purgation. This has been passed down through generations as a good method.