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Jiezhai stated: Postpartum deficiency of Yin blood causes Yang to lose its foundation and float/scatter outward, thus fever often occurs. Danxi (Zhu Zhenheng) used Renshen Tang (Ginseng Decoction), specifically Ren Shen (Radix Ginseng), Baizhu (Rhizoma Atractylodis Macrocephalae), Chenpi (Pericarpium Citri Reticulatae), Chuanxiong Rhizoma Ligustici Chuanxiong, Danggui (Radix Angelicae Sinensis), and Zhigancao (Radix Glycyrrhizae Preparata) to tonify deficiency. For mild cases, Fuling (Poria) is added for mild diuresis, and the heat will naturally subside; for severe cases, Ganjiang (Rhizoma Zingiberis Preparatum) is added. (Ancient physicians frequently used Ganjiang in treating blood disorders, whereas modern practitioners mostly use Paogjiang (Rhizoma Zingiberis Praeparatum). Which is correct? It is said that Ganjiang suits the Lung meridian, Shengjiang (Rhizoma Zingiberis Recens) suits the Liver meridian, and Paogjiang suits the Spleen for warming the middle; this is due to their differences in retaining vs. dispersing and following vs. rebelling. If using Paogjiang, it must be charred until completely black for best effect. Usually, for various deficiencies causing vexation and heat, Zhuyeshigu Tang (Bamboo Leaf and Gypsum Decoction) or Wendan Tang (Warming Gallbladder Decoction) are used, but one fails to realize that postpartum conditions differ from ordinary ones. Cold herbs like Shigao (Gypsum Fibrosum) should not be used lightly; doing so can be fatal.) Someone asks: Why use Ganjiang for high fever? The answer is: This heat is not excess pathogenic heat, but internal heat generated by Yin deficiency. Ganjiang enters the Lung meridian to distribute and diffuse Lung Qi, and enters the Liver meridian to guide other herbs to generate blood. However, it cannot be used alone; it must be combined with herbs that tonify Yin and blood to gather the floating Qi, allowing it to return and root in Yin. Nevertheless, postpartum Spleen and Stomach weakness often leads to overeating, causing food stagnation and fever. Misdiagnosing this as blood deficiency will result in ineffectiveness. If there is aversion to cold, restlessness, and thirst, Shiquan Dabu Tang (Comprehensive Great Tonifying Decoction) should be used urgently. If the heat worsens, Fuzi (Radix Aconiti Lateralis Preparata) should be added urgently. If there is thirst and a red face, Danggui Buxue Tang (Angelica Tonifying Blood Decoction) is appropriate. Misidentifying this as a Fire syndrome and administering cooling agents brings disaster instantly. Postpartum blood deficiency causes Qi to lose its foundation and rebel into Fire. Fire rebelling upward, pressured by stagnant blood, causes heart vexation. Treatment should utilize Tongbian (Urine of a healthy young boy); its flavor is bitter, salty, and cold, its nature descends, it reduces fire and resolves stasis, hence it is suitable, embodying the principle that "turbid Yin exits through the lower orifices."

The *Daquan* states: Unceasing spontaneous sweating after childbirth results from deficient Yin Qi being acted upon by Yang. Interior deficiency with exterior excess causes Yang to emit outward, resulting in sweating. Blood is Yin; postpartum blood loss constitutes Yin deficiency. Qi is Yang; when Qi is substantial, Yang adds to Yin, causing sweat. If Yin Qi is weak and fails to recover, sweating continues unceasingly. Generally, both Qi and Blood are deficient postpartum, leading to profuse sweating; encountering wind may transform this into Jing illness (spasm). Even if spasm does not occur, there will be deficiency, shortness of breath, emaciation, dry lips and mouth, and eventually amenorrhea due to exhaustion of Jin-Ye (body fluids). (Sweat is the manifestation of Yang Qi. When Yin is exhausted and cannot recover, Yang has no place to reside, enters the Yang aspect, and floats upward outward as sweat. People often claim excessive sweating leads to spasm, which is an error. The mechanism of encountering wind to cause spasm is misunderstood. Cases where spasm does not occur but present with shortness of breath and emaciation indicate transformation into Heat. Reflect deeply on this. For Yang collapse manifesting as macules/rash, use Shiquan Dabu Tang, Shenfu Tang (Ginseng and Aconite Decoction), or Jiangfu Tang (Ginger and Aconite Decoction). One must carefully examine the etiology before use, avoiding rigid adherence to a single dogma.)

Commentary: For the aforementioned symptoms, if both Qi and Blood are deficient, use Shiquan Dabu Tang urgently. If ineffective, use Shenfu Tang or Jiangfu Tang. If profuse sweating leads to Yang collapse and rash, these formulas are especially indicated. Wang Haicang stated: Sweating limited to the head, stopping at the neck, with excessive sweating on the forehead, occurs because the forehead is the convergence point of the Six Yang meridians, steamed by deficient heat.