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Red meridians appear around the eyes, penetrating the pupil; the fontanelle swells and protrudes, yet also sinks like a pit. The fingernails turn black, the nose is dry, a crow-like sound suddenly arises, and green veins are exposed on the abdomen. The tongue is flaccid, extending and retracting; the anus prolapses, teeth are clenched tightly. The eyes mostly stare straight without moving the eyeballs. Breathing is rapid with an open-mouthed gasp like a fish, crying is impossible, and after roundworms are expelled, the signs of death are evident. Hands and feet thrash and shake violently beyond the joints; even with miraculous pills, not one in ten can be saved.

The pulse conditions are as described previously.

Regarding diseases: Among pediatric ailments, none is more critical than **Jing Feng** (Convulsive Disorder). Generally, **Jing Feng** includes **Ji Jing Feng** (Acute Convulsion), **Man Jing Feng** (Chronic Convulsion), and **Man Pi Feng** (Chronic Spleen Wind). These three differ as follows: **Ji Jing Feng** belongs to Yang, characterized by excess Yang and deficiency of Yin; **Man Jing Feng** belongs to Yin, characterized by deficiency of Yin and relative excess of Yang (or imbalance); **Man Pi Feng** also belongs to Yin, characterized by extreme excess of Yin and extreme deficiency of Stomach Qi. Yang is active and restless, while Yin is quiet and slow, which marks the initial stage. This often stems from children having weak Qi and Blood, soft and thin skin, incomplete Shen Spirit, and immature Zang-Fu organs. Caregivers should protect them as if holding jade or full vessels, preventing any negligence or accident. If startled by loud, harsh noises or fierce, strange objects, the child may present with a cyan face, clenched jaw, hoarse voice, or syncope. After the episode, the complexion may temporarily return to normal. However, after a long interval, it recurs with fever, red face, dry mouth with desire for drinks, hot breath from mouth and nose, yellow-red urine and stool, wakefulness without sleep, tight jaw, high fever with tidal phlegm, opisthotonos (arching back), spasms, tremors, frequent blinking and twitching of lips, mouth, eyebrows, and eyes, with a floating, rapid, surging, or tight pulse. Generally, heat excess generates phlegm, phlegm excess generates wind, triggered occasionally by fright. Thus, **Ji Jing Feng** belongs to Liver Wood, representing an excess syndrome of Wind pathogen, Phlegm, and Heat. Treatment should employ cold, bitter, and cold-natured Qi-draining herbs, such as **Baidu San** (Poison-Resolving Powder).

**Man Jing Feng** symptoms often result from irregular diet damaging the Spleen and Stomach, leading to prolonged vomiting and diarrhea, causing severe deficiency of Middle Qi and subsequent convulsions, which occur incessantly. The body is cold, face sallow, no thirst, cold breath from mouth and nose, clear white urine and stool, deep sleep with staring eyes (exposed eyelids), upward gaze of eyes, twitching of hands and feet, tendon and vessel spasm, with a deep, slow, scattered, or moderate pulse. Generally, Spleen deficiency generates wind, wind excess causes tendon tension. Commonly called "Tian Diao Feng" (Heaven-Hanging Wind), this condition belongs to Spleen Earth, representing a deficiency syndrome of Middle Qi damage. Treatment should employ harmonizing, sweet, warm, and Qi-tonifying formulas, such as **Bupi Tang** (Spleen-Supplementing Decoction).

**Man Pi Feng** generally evolves from **Man Jing Feng**. Following **Man Jing**, vomiting and diarrhea damage the Spleen; when the disease progresses to its extreme, it converges on deficiency, specifically affecting the Spleen. Hence it is called **Man Pi** (Chronic Spleen) or Xu Feng (Deficiency Wind). Symptoms include red face, forehead sweating, short tongue, head drooping, eyes closed and unable to open, drowsiness with head shaking and tongue protrusion, frequent expulsion of foul-smelling vomit, clenched jaw and teeth grinding, slight involuntary movements of hands and feet that cannot be controlled, cold body or warm body with cold limbs, and a deep, faint pulse.

The main therapeutic principle is to generate Stomach Qi and restore Yang, using formulas like **Hei Fu Tang** (Black Aconite Decoction). Once Stomach Qi gradually recovers, use **Yigong San** (Extraordinary Assistance Powder) for gentle regulation. If the eyes are half-open and half-closed, hands and feet are not cold, and the syndrome remains within **Man Jing**, do not use Yang-restoring methods. Even if it has entered **Man Pi** but Yang Qi is not severely depleted, Sulfur (**Huang**) and Prepared Aconite Root (**Fuzi**) should not be used. For those taking Yang-restoring decoctions whose hands and feet gradually warm up, follow up with **Xingpi San** (Spleen-Awakening Powder) for regulation. Regarding the adverse conditions of **Man Jing** and **Man Pi**, and the violent convulsions of **Ji Jing**, generally **Ji Jing** is easier to treat, while **Man Jing** is difficult to cure. As for the critical illness of **Man Pi**, even divine physicians find it hard to treat easily. Physicians must distinguish between the three syndromes of **Ji**, **Man**, and **Pi** wind, carefully observing the four aspects of Deficiency/Excess and Cold/Heat. Do not treat them indiscriminately. Thus it is said: Tonify deficiency, drain excess, warm cold, cool heat; this is the flexible method. Furthermore, the *I Ching* states: Transformation and adaptation depend on change; divinity and clarity depend on the person. This is what is meant. To apply a uniform method to all cases would indeed be the technique of carving a mark on the boat to find the sword.