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A woman, after using toxic drugs to induce abortion, developed a mass on the right side of her umbilicus. When the pain in the mass was severe, she experienced chills and fever. The mass was level with the umbilicus but protruded about one cun (inch), and it was extremely tender to touch and could not be pressed. Her pulse was surging and rapid. I diagnosed: This is stasis blood overflowing into the *huangmo* (membrane between the intestines) outside the intestines, gathering and condensing to form an abscess. Therefore, I prescribed decoctions to tonify Qi and Blood, move stagnation, and drain pus. Every three days, I punctured it with a sharp needle, discharging a large amount of pus and blood. The internal material resembled feces and had a very foul odor. The patient was terrified. I told her: As Qi and Blood generate flesh, the internal and external orifices will naturally close. She recovered within ten days.

Another person suffered from swelling and pain behind the Jianjing (GB21) acupoint, accompanied by fever and cough. The swelling was soft upon palpation. This was due to the accumulation of damp-phlegm. I prescribed a decoction of Arisaemae Rhizoma (Nanxing), Pinelliae Rhizoma (Banxia), Trichosanthis Fructus (Gualou), Puerariae Radix (Gegen), Scutellariae Radix (Huangqin), Coptidis Rhizoma (Huanglian), and Bamboo Juice (Zhuli). I also applied hot moxibustion using burnt scallion roots to the swollen area. Additionally, I prepared small pills made of Sinapis Semen (Baijiezi) and Alum (Baifan), which were taken with the decoction, twenty pills at a time. Soon after, phlegm was expectorated with coughing. In half a day, approximately three to four bowls of phlegm were expelled, and the illness was cured.

In treating diseases, one must distinguish the primary medicinal herbs, starting with the meridian Qi: For Damp-Heat in the Yangming Meridian, use calcined stone and Phellodendri Cortex (Baipi); for Fire-Heat in the Jueyin Meridian, use aged tea, Borneolum Syntheticum (Naoshena), and Belamcandae Rhizoma (Shegan). Secondly, consider the etiology: Add Aloe (Luhui) for food retention; add Allium Tuberosum Juice (Jiuji) and Myrrha (Moyao) for trauma. If pus forms in a sore but does not discharge, add Calomelas (Qingfen) to promote discharge, and recovery is assured.

Human Yang is often in excess, while Yin is often deficient. Therefore, the Lung (Metal) and Kidney (Water) organs must be preserved so that Kidney Water is not exhausted and Lung Metal is not depleted, thereby ensuring Liver Wood is controlled and does not act recklessly. The Classic states: "All rebellious upward movements belong to Fire." The *Yuanbing Shi* states: "Movements of the Five Emotions and sexual desire all pertain to Ministerial Fire. Due to Kidney Water deficiency, Fire has no fear and rebels upward against the Lung. Since Water cannot rescue its mother (Metal) from the 'ghost thief' (excessive Metal controlling Water), Lung Yin becomes further depleted. One must purge Fire and benefit Water to save Lung Metal." Decoctions such as Zingiberis Rhizoma (Shengjiang), Cinnamomi Ramulus (Guizhi), and Pinelliae Rhizoma (Banxia), which are pungent, warm, and drying, should not be used. However, when purging Fire, although it differs from exterior pathogens causing Wind-Cold or Summer-Heat-Dampness, one must still differentiate the root Qi moving in the Four Zang organs and soothe them individually. Furthermore, Fire not only damages Lung Yin but can severely harm Yuan Yang (Primordial Yang). One must distinguish whether the injury to Yin or Yang is lighter or heavier. This passage only discusses using Ginseng Radix et Rhizoma (Renshen) and Atractylodis Macrocephalae Rhizoma (Baizhu) for deficiency, without mentioning Yin-nourishing herbs like Asparagi Radix (Tianmendong) and Ophiopogonis Radix (Maidong). Nor does it mention adding Acroniti Radix (Xixin) or Zingiberis Rhizoma Recens (Ganjiang) for Cold. These are essential points, yet they are incomplete, let alone formulas differentiated by meridians.