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Chicken breast (pectus carinatum) is caused by coughing leading to lung distension, which gradually causes the chest and diaphragm to protrude. One theory suggests it is due to Liver Fire invading the Lung and Diaphragm; treatment uses Kuanqi Huatan Wan (Broad Qi and Resolve Phlegm Pill).
Ingredients: Xingren (Apricot Seed), Baihe (Lily Bulb), Tianmendong (Asparagus Root), Sangbaipi (Mulberry Bark), Mutong (Akebia Stem), Shigao (Gypsum Fibrosum), Tinglizi (Descurainia Seed) (each 5 qian), Dahuang (Rhubarb Root) (3 fen). Grind into powder and make pills with honey.

Turtle back (kyphosis) is caused by Kidney Deficiency allowing Wind pathogen to invade the marrow, resulting in the inability of Essence and Blood to circulate freely; treatment uses Songrui Dan (Pine Stamen Pill).
Ingredients: Songhua (Pollen Pinii), Fangfeng (Saposhnikovia Root), Zhike (Bitter Orange), Duhuo (Angelica Pubescens Root) (each 1 liang), Mahuang (Ephedra Herb), Qianhu (Peucedani Radix), Dahuang (Rhubarb Root), Guixin (Cinnamon Twig) (each 5 qian). Grind into powder, make pills with honey the size of millet seeds. Take 20 pills per dose, swallowed with gruel. Externally, apply turtle urine to the spinal clefts for cure (Place a turtle on a lotus leaf and shine a mirror upon it so that its urine flows out naturally; or stimulate its nostrils with pig bristles).

Yu Jiayan stated: When infants are first born and during early childhood, muscles, bones, tendons, Zang-Fu organs, and blood vessels have not yet fully developed. Thus, Yin is insufficient while Yang is excessive and solid. This differs from adults whose bodies are seven chi tall and possess balanced, flourishing Yin and Yang. Because Yin is insufficient and Yang is excessive, heat easily generates within the body. Excessive heat generates Phlegm, Wind, and Fright (Jing Feng). It is difficult to pronounce "Heat, Phlegm, Wind, Fright" together, so two characters are omitted to call it "Fright Wind" (When encountering strange shapes or sounds, sudden falling may cause terror; symptoms include cyanotic face and stool, irritability, frequent crying, unconsciousness, and unresponsiveness to loud noises like bells or hairpins). Later generations did not understand this. Seeing head shaking and hand trembling, they called it "Chou Che" (twitching and pulling); seeing sudden jaw clenching, leg cramping, deviated eyes, and chaotic mind, they called it "Chu Nuo" (jerking and convulsing); seeing stiff spine and backward arching, they called it "Jiao Gong Fan Zhang" (opisthotonos). They did not know that children's Cou Li (pores/skin texture) are not dense, making them susceptible to Wind-Cold invasion. Wind-Cold enters the Taiyang Meridian first. The Taiyang meridian originates at the inner canthus, ascends to the forehead, intersects at the vertex, enters the brain, emerges to descend behind the neck, runs alongside the spine, and reaches the waist. Therefore, disease manifests as tendon and vessel tension. Due to this tension, various names like twitching arise. Using mineral drugs to suppress leads to external pathogens penetrating deeply into Zang-Fu organs, making cure difficult. Occasionally, those with strong constitutions and mild symptoms recover, leading people to mistakenly believe these are miraculous prescriptions. Another medical text claims children under eight do not suffer from Shang Han (Cold Damage), aiding the theory of Jing Feng. However, one must consider that children cannot tolerate Shang Han well; upon initial transmission to the Taiyang meridian, they already exhibit body stiffness, profuse sweating, tendon movement, and mental clouding. The pathology is already extreme in the primary meridian. If medicines are indiscriminately administered, waiting for transmission to resolve is impossible. How can one say children do not suffer from Shang Han? Moreover, children are prone to external contraction and fever; what is commonly called Jing Feng is often just this. For pediatric Shang Han, it is crucial to heal within three days. If one waits for the meridians to exhaust themselves before resolution, the child likely will not survive. Furthermore, Gang Jing (Stiff Spasm) presents without sweat, while Rou Jing (Soft Spasm) presents with sweat. Children rarely get Gang Jing but often get Rou Jing. People see continuous sweating, coma, and unresponsiveness, naming it Man Jing Feng (Slow Fright Wind), and use Ren Shen (Ginseng Root), Bai Zhu (Atractylodes Rhizome), and Fu Zi (Aconite Lateral Root) to close the Cou Li, preventing Heat pathogens from venting outward, which is also highly harmful. Therefore, when treating pediatric heat, one should attack to expel it via the exterior, not consolidate to trap it in the interior. Zhang Zhongjing originally had the Guizhi method; abandoning it for Dong Yuan's internal injury treatments is erroneous. (Shang Han Lun states: In Taiyang disease, if there is stiffness in the nape and back, sweating, and aversion to wind, Guizhi Jia Gegen Tang [Cinnamon Twig Decoction plus Kudzu Root] governs.)

Wu Keyou stated: Pediatric Shi Yi (seasonal epidemics) are difficult to discern, leading to many delays. Since children have timid spirit-energy and fragile bones and tendons, once infected with Shi Yi, delay in treatment quickly leads to upward deviation of the eyes, fright convulsions, spasm, hooking of the ten fingers, and even opisthotonos. Thus, it is often misdiagnosed as Slow Fright Wind.

From the above, it is evident that pediatric Shang Han should be treated by resolving the muscle layer using mild formulas. Shi Yi treatments are similar to those for adults. Mis-treatment will inevitably transform into Jing (spasm).