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Unremitting laughter indicates Heart disease.
Rapid breathing with frequent sighing indicates Lung disease.
Anger accompanied by cursing indicates Liver disease.
Insufficient breath to support respiration indicates Spleen disease.
Desiring to speak but not doing so, with a soft voice and much fear, indicates Kidney disease.
Crying without wailing (tearless crying) is characterized by straight sounds without tears, primarily indicating Pan Chang Qi (intestinal colic), where abdominal pain is severe enough to cause near-syncope.
Wailing without crying (continuous vocalization with tears) primarily indicates fright entering the Heart.
Restless whimpering indicates irritability, primarily indicating Heat in the Heart Meridian, leading to mental confusion.
If the sound is weak and insufficient, it indicates restlessness, primarily indicating Wind pathogen in the Heart, manifesting as convulsions and upward deviation of the eyes.
Speaking in a low voice, only speaking once after a whole day, indicates Devastation of Qi (severe depletion of healthy Qi).
A loud voice, sounding as if from within a jar, indicates Wind-Cold injury (Shang Feng).
A muffled voice, sounding as if from within a room, indicates Dampness obstructing Middle Qi.
Weak speech with difficulty in smooth breathing indicates Internal Injury.
Incessant talking indicates External Contraction.
A clear and light voice indicates deficiency of Clear Qi.
A heavy and turbid voice indicates Pain or Wind pathogen.
Loud shouting indicates Excessive Heat and mania.
An urgent voice indicates Shock to the Spirit.
A blocked voice indicates Phlegm.
A trembling voice indicates Cold.
A choking voice indicates Disharmony of Qi mechanism.
Panting (Chuan) refers to rapid and short breathing, which can be either Deficiency or Excess syndrome.
Sneezing indicates the presence of Wind pathogen.
Yawning indicates fatigue generating Wind, or separation of Yin and Yang above and below, or Spleen stagnation with impending pathogenesis.
Disheveled clothing and bedding, speaking indiscriminately about good and bad without avoiding kin or strangers, indicates Chaos of the Spirit (Shen Ming).
Delirious and confused speech, seeing imaginary objects, indicates Evil Heat returning to the Heart.
Sound in the throat is called Lung Ming (Lung Resonance), indicating Fire pathogen attacking the Metal position, causing Lung Qi to lose its balance and produce sound.
These three conditions are considered Huai Zheng (critical/ruinous syndromes).
As for cases where the essence of the Five Zang organs is exhausted, the Spirit cannot hold fast, and the voice becomes hoarse, death ensues. Similarly, staring straight ahead with excessive saliva, gradually progressing to hoarseness, also leads to death.

Physicians bear the heavy responsibility of life and death; how can their study not be precise and detailed? Therefore, regardless of internal medicine (Fang Mai), pediatrics (You Ke), gynecology (Nv Ke), or surgery (Wai Ke), one must extensively read various books and devote oneself to pulse diagnosis. By broadening knowledge to reach simplicity, disease recognition will be error-free.
Once the pathological logic is clear, medication will naturally be appropriate.
Even in surgery, if one only verifies external visible symptoms without observing the subtleties of pulse indications, how can one assess the prosperity or decline of Qi and Blood, the excess or deficiency of Yin and Yang, and clarify the affiliation of the Zang organs? This is necessary to ensure accurate treatment.
Pediatrics, in particular, should refer to internal medicine texts.
Because pediatrics is known as the "Mute Department," infants cannot communicate their pain and suffering, relying entirely on the physician's careful observation.
Regrettably, many pediatric texts have shallow theories and brief explanations, making it difficult to understand the source of diseases.
They often cling to the view that infant illness stems from dietary indiscretion, prioritizing digestive reduction, and rely on the theory that infants are "Pure Yang" entities, recklessly administering cold and bitter drugs.
Who realizes that easy stagnation occurs because the Spleen Qi is necessarily deficient?
Seeking immediate minor efficacy may cause major harm later.
Moreover, infants' constitutions are prone to both deficiency and excess. "Deficiency" means Healthy Qi is easily depleted; "Excess" means Pathogenic Qi easily accumulates.
However, Excess caused by pathogen accumulation must take advantage of Healthy Qi deficiency. Ignoring Healthy Qi deficiency while solely pursuing Pathogenic Excess rarely ends well.
For example, if Cold damages Ying (Nutritive) Yin, one should warm and nourish Ying Yin; if Wind damages Wei (Defensive) Qi, one should use pungent herbs to harmonize Wei Qi.
Only by harmonizing Ying and Wei and promoting their circulation can the invading pathogen retreat without direct attack, allowing Healthy Qi to expel the evil naturally. The pathogen retreats, and Healthy Qi remains secure, like clouds passing to reveal a bright sky.
If harsh agents that ruthlessly affect Qi and Blood are administered, although the pathogen may scatter, Healthy Qi will also be injured, and opportunistic pathogens will follow.
It must be understood that if Healthy Qi is not empty, Pathogenic Qi cannot accumulate to form Excess.
Regarding the term "Pure Yang," it implies a lack of Yin, referring actually to "Young Yang." How much Yang does an infant possess? If Yin Qi is incomplete and damaged, upon what basis can one expect Yang to grow?
Furthermore, the Qi transformation of Heaven and Earth is becoming thinner, human desires are becoming more turbulent, and the endowment of children is becoming weaker.
Those inheriting insufficient Yang Qi from their fathers often suffer from Qi deficiency and middle fullness; those inheriting insufficient Yin Blood from their mothers often suffer from Yin deficiency with fever; those suffering from smallpox often suffer from Kidney deficiency with internal ulceration. These are all due to congenital insufficiency, which is common nowadays.
Blindly imitating ancient practices of using draining and cooling methods, such as Fei Er Wan (Slimming Pill) or Lu Hui Wan (Aloe Pill), results in death in every case.
Even if there is excess Fire, it is actually due to insufficiency of Water. Strengthening Water to control Solar Fire is the supreme doctrine of sages.
Those who take cold-cooling herbs survive less than one in a hundred; this is the maxim of ancient philosophers.
How can one bear to administer life-destroying drugs to infants seeking life?
The Spleen and Stomach can naturally digest grain; occasional stagnation occurs because the Spleen and Stomach responsible for digestion are diseased.
One need only assist them in regulating the disease for self-recovery. Thus, some treatments aid Spleen digestion and promote Grain Qi; some address declining Fire of the Gate of Vitality (Ming Men) by tonifying Fire to generate Earth; some combine reduction and tonification; some use pure tonification as reduction, fearing that any relaxation would consume more Original Qi.
Human life relies on a single Qi, which is easily depleted and hard to restore; how can it be lightly consumed?
Given that the Qi of Heaven and Earth is thin, the Qi of parents is declining, and the endowment of children is deficient, one must investigate congenital Yin and Yang deficiency. Relying merely on internal medicine texts and treating from the root (Water Source) ensures harmony.
This can recover the Original Qi of current infants in the Post-Heaven phase, thereby cultivating the Original Qi of future generations in the Pre-Heaven phase, truly extending longevity indefinitely.
If one blindly follows the shallow theories of ancient pediatrics, it is like irrigating trees by neglecting the roots and only moistening the branches; expecting growth is impossible.
How much more damaging is it to further injure them!
Therefore, I compiled this work combining internal and pediatric medicine, hoping that experts will appreciate it.