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Redness and swelling of the eyes: People know to reduce fire (clear heat), but do not know to invigorate blood, so treatments are often ineffective. If only Siwu Tang (Four Substances Decoction) is used, with raw Rehmanniae Radix (Sheng Dihuang) and red Paeoniae Radix (Chi Shaoyao), added with wine-processed Rhei Radix et Rhizoma (Jiu Da Huang), Polyporus (Chi Fuling), and Menthae Haplocalycis Herba (Bohe Ye), the treatment is very effective; this is the method of Dai Fu'an. I believe that for redness and swelling of the eyes, people know to invigorate blood, but do not know to treat phlegm. When the spleen and stomach are obstructed, accumulated heat generates phlegm, and accumulated phlegm generates heat, revolving around each other as causes and effects, qi rushes to the head and eyes, causing persistent dizziness and pain. In such cases, one must use Pinelliae Rhizoma Preparatum (Banxia), Acori Tatarinowii Rhizoma (Shichangpu), Scutellariae Radix (Huangqin), Aurantii Fructus Immaturus (Zhishi), Poria (Fuling), and Chenpi, slightly adding Chrysanthemi Flos (Juhua) and Tribuli Fructus (Bajili) to treat it.

Wang Kentang treated Xu Shaowei's aphthous stomatitis (koumi), stating that only dried ginger could cure it, and it turned out exactly as he said. His nephew, Wang Mao, also suffered from this condition, which was critical; he desired to drink cold water. Wang Kentang administered Ginseng Radix (Renshen), Atractodis Macrocephalae Rhizoma (Baizhu), and Zingiberis Rhizoma Recens (Ganjiang), each 2 qian, along with Poria (Fuling) and Glycyrrhizae Radix et Rhizoma (Gancao), each 1 qian. The decoction was prepared as a chilled beverage, taken several times a day, until the illness subsided. This is because when the earth (spleen/stomach) is warm, the fire (heat) converges; most people do not understand this. The reason is that due to stomach deficiency and poor appetite, the qi of kidney water rebels and overacts upon the spleen and stomach, resulting in interior cold. The fire generated by the deficiency and decline of the spleen and stomach is forced to flare upward, forming mouth ulcers. Symptoms include lack of desire for food, loose stools, or cold extremities and abdominal pain.

In patients with consumptive disease (xulao), qi and blood are depleted, and the vital qi fails to nourish, leading to internal cold. This is what Zhang Jifeng referred to as "cold consumption" (leng lao). It is appropriate to use formulas such as Jianzhong Tang (Middle-Building Decoction), Maigui Fumai Tang (Reviving Pulse Decoction), or Bawei Shenqi Wan (Eight-Ingredient Kidney Qi Pill). These sweet-warm and pungent-moist preparations possess the ability to generate yang and transform yin. There are also cases where pathogenic factors linger, causing stasis and depression in the collaterals. As Yuanyuan stated, those with weak constitutions are most susceptible to pathogenic factors; one should first harmonize, using mild purgation or drainage, followed by regulation. If physicians do not understand this and hastily administer tonics, the pathogenic factors will not resolve, often leading to death. Therefore, the treatment of consumptive disease does not necessarily focus solely on nourishing yin and reducing fire.

Refractory wind (refeng) refers to heat transforming into wind. Patients experience dizziness and pain in the head and eyes, dryness in the mouth and nose, emission of hot air, slight aversion to wind, and intermittent fever. Although acrid-cool herbs may be used, they cannot resolve this condition. Meng Shen said: Patients with refractory wind should consume cow's milk, as its flavor is sweet and cold, and its nature is moistening, which can eliminate heat in the muscles and extinguish wind naturally. Among herbal plants, reed rhizome (Lugen), sugarcane juice (Zhe Jiang), and pear juice (Lizhi) have similar properties and flavors, which also aligns with the principle in the *Neijing*: "When wind dominates internally, treat with sweet and cold substances."