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Zi Han (Spontaneous Sweating) is mostly caused by contracting Wind or Summerheat pathogens, as well as emotional disturbances such as Joy, Anger, Fear, and Shock, or Kidney deficiency and consumptive disease due to sexual excess. All these can lead to this condition. Regardless of whether one is conscious or asleep, if sweat oozes out spontaneously, it is named Zi Han (Spontaneous Sweating); if sweat occurs during sleep, it is named Dao Han (Stealing Sweat), also referred to as Jin Han (Oozing Sweat). If sweating results from improper diet, physical overexertion, carrying heavy loads, traveling long distances, climbing high, or walking fast, this is not considered Zi Han (Spontaneous Sweating). The Qi and Blood of the human body are like Yin and Yang, Fire and Water; when balanced, there is tranquility; when unbalanced, disease arises. When Yin is deficient, Yang inevitably encroaches, leading to fever and spontaneous sweating, similar to hot water gushing forth naturally; when Yang is deficient, Yin inevitably takes advantage, leading to Jue Ni (Cold Extremities) and spontaneous sweating, similar to water overflowing and flowing freely. Examining the etiology, Wind and Summerheat involve external factors, Joy, Anger, Fear, and Shock involve internal factors, while sexual excess and consumptive disease involve neither purely internal nor external factors, which is quite clear. Among them, diseases such as Nue Ji (Malaria - *Note: Original text has a missing character likely representing Malaria*), Chang Yong (Intestinal Abscess), Xiang Gang Jiao (Hong Kong Foot / Beriberi), and Chan Ru (Postpartum Conditions) all present with spontaneous sweating. Treatment should deduce the cause as the source of the disease to avoid confusion and indiscriminate treatment. As recorded in *Jing Mai Bie Lun*, if one only traces the origin of the sweat's exit, it was initially not a case of Zi Han (Spontaneous Sweating) syndrome; this must be known.

This formula treats deficiency of Yuan Qi (Primal Qi) in the lower burner, resulting in abdominal distension and fullness around the umbilicus, stabbing pain in the heart and hypochondrium, diarrhea and vomiting, spontaneous sweating, gradual weakening of Yang Qi, cold hands and feet, as well as Yin syndromes of Shang Han (Cold Damage), Huo Luan (Cholera-like disorder) with muscle cramps, chronic cold diarrhea, shortness of breath, emaciation, and fatigue. It is suitable for all deficiency-cold conditions. Regular use helps Yang, dissipates Yin, rectifies Yuan Qi (Primal Qi), warms the Spleen and Stomach, and promotes appetite.
Ren Shen (Ginseng Radix), Bai Fu Ling (Poria), Bai Zhu (Atractylodis Rhizoma) (each 3 liang), Huang Qi (Astragali Radix) (1.5 liang), Gan Cao (Licorice Root, honey-fried), Wu Yao (Linderae Radix) (wood removed), Shan Yao (Dioscoreae Rhizoma) (soaked in ginger juice and stir-fried), Fu Zi (Aconiti Lateralis Radix Praeparata) (processed, skin and navel removed), Chuan Xiong (Ligustici Chuanxiong Rhizoma), Ge Gen (Puerariae Lobatae Radix) (each 1 liang), Gui Xin (Cinnamomi Cortex), Wu Tou (Aconiti Radix) (processed, skin and tip removed, each 0.5 liang), Hong Dou (Adzuki Bean) (stir-fried), Gan Jiang (Zingiberis Rhizoma) (processed), Ju Pi (Citri Reticulatae Pericarpium) (each 3 qian).
Grind the above into powder. Take 2 qian per dose, with 1 cup of water, 3 slices of fresh ginger, 1 jujube, and a little salt. Decoct until reduced to 0.7 parts. Take cold before meals. For spontaneous sweating, add Fu Mai (Floating Wheat).

It treats various deficiencies and sudden severe weakness after new illnesses, where Jing Ye (Body Fluids) fail to consolidate, causing frequent spontaneous sweating, worsening at night, persisting for a long time, leading to emaciation and thinness, palpitations, frightfulness, shortness of breath, and irritability/fatigue.
Mu Li (Ostreae Concha) (soaked in rice washing water to remove soil, take the powder), Ma Huang Gen (Ephedrae Radix et Rhizoma), Huang Qi (Astragali Radix) (each 1 liang).
Grind the above into a coarse powder. Take 3 qian per dose, with 1.5 cups of water and over 100 grains of Xiao Mai (Triticum aestivum L.), decoct together until reduced to 0.8 parts. Strain and remove dregs. Take at any time. Another method: grind into fine powder. Take 3 qian, with 3 cups of water and 3 cun of Cong Bai (Allii Fistulosum Bulbus), decoct until reduced to 1.5 cups. Divide into three doses.