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[Establishing the Dissipation Method] For applying to Baihui Carbuncle (Baihui Jū).
Longdan Cao (Gentianae Radix), Ben (Ligustici Rhizoma et Radix), Xi Niuhuang (Bovis Calculus), Baizhi (Angelicae Dahuricae Radix), Digupi (Phellodendri Cortex), Xionghuang (Realgar), Jinyinhua Teng (Lonicerae Japonicae Caulis) (all in equal parts).
Grind all ingredients into an extremely fine powder. Mix with raw wine (Shengjiu) and apply externally to the lesion, leaving a small hole in the center for ventilation. The condition will resolve spontaneously.

Dingmen Ju (Carbuncle at the Crown of the Head)
Wang Kentang stated: Dingmen Ju, also known as Foding Ju (Carbuncle at the Buddha's Crown), is caused by wind-heat invading the Taiyang Meridian (Taiyang Channel). The affected acupoint is Shangxing (located one cun posterior to Shenting, entering the hairline). It arises from disharmony of yin and yang within the Zang-Fu organs, leading to the upward stagnation of heat-toxin. If the pulse is surging and the patient is comatose, with constipation of both stool and urine, it is incurable. (From *Yi Zong Bi Du*)

Shen Douyuan stated: Dingmen Ju, also known as Foding Ju, results from toxin invasion of the Heart Meridian, with disharmony of yin and yang. Filthy heat-toxin stagnates upward and enters the brain, forming this syndrome. If the root of the carbuncle penetrates through the skull, it is incurable. (From *Waike Qixuan*)

Jiang Shiji stated: Ding Ju (Carbuncle at the Vertex) occurs on the very top of the head, governed by the Ren Mai (Conception Vessel). It is caused by dysfunction of the Six Fu Organs, with heat stagnating in the Upper Jiao and dampness accumulating at the highest point of the body (the vertex). (From *Yangyi Shuoyue*)

Gu Shicheng stated: Among Dingmen Ju cases, those that are hard but painless are classified as Ju (deep-seated carbuncles/abscesses). They should be treated according to the general methods for Yong and Ju described in the "Yong-Ju Section," so no separate method is established here. However, if the area is red and swollen like a peach or plum, or has a yellow head with pus and blood mixed, these are often furuncles caused by accumulated summer-heat in children. Such cases resemble Dingmen Ju but must not be treated as such.

Feng Luzhan stated: Xin Zhong (Fontanelle Swelling) refers to swelling and protrusion of the fontanelle. The Spleen governs muscles. If breastfeeding is irregular, with excessive hunger or fullness, or if cold and heat pathogens invade the Spleen, causing Zang-Fu disharmony, Qi may surge upward, causing the fontanelle to bulge high like a stack of objects. This is accompanied by short, yellow, and dry hair, bone-steaming fever, and spontaneous sweating. Additionally, swelling can result from wind-heat damaging the Liver, causing Liver Wood to become depressed and unable to disperse. It can also result from Lung Heat generating Wind; since the Lung governs skin and hair, this too causes fontanelle swelling and scorched hair. Furthermore, it can be caused by heat received during fetal development. However, swelling caused by Cold Qi surging upward is pale and hard; swelling caused by Heat Qi surging upward is soft and red. Moreover, external covering that is too warm can prevent Yang Qi from dispersing outward, also leading to red and swollen conditions. Cold types are treated with warming methods; heat types are treated with cooling methods. External application using the Fontanelle Sealing Method is appropriate. (From *Waike Jinnang*)

Gu Shicheng stated: Pediatric fontanelle swelling is mostly due to Liver Wind and Spleen Heat stagnating upward, commonly seen in syndromes of Convulsive Disease (Jing Feng) and Slow Spleen Wind (Man Pi Feng). One must absolutely avoid lightly using rhinoceros horn paste applied externally or cooling herbs applied topically, as this may force heat deeper into the brain, often leading to critical danger or death. Instead, one should only employ methods to dispel wind, calm the Liver, and guide out heat, after which the swelling will subside naturally.