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Treats obese individuals suffering from phlegm-dampness, presenting with wheezing and cough, chest and abdominal distension and fullness.
Prepared Banxia (Pinelliae Rhizoma Praeparatum) 3 qian, Fuling (Poria) 3 qian, Chenpi (Citri Reticulatae Pericarpium, white part removed) 2 qian, Gancao (Glycyrrhizae Radix et Rhizoma) 1 qian. The above four herbs, added with three slices of Shengjiang (Zingiberis Rhizoma Recens), are decocted in water and taken orally.

[Collected Annotations] Li Zhongzi stated: Obese people tend to have dampness; dampness combines with heat to generate phlegm, and fire carries qi rebelliously upward. The pungent nature of Banxia promotes urination and defecation to eliminate dampness. The pungent nature of Chenpi unblocks the Sanjiao (Triple Burner) and regulates qi. Fuling assists Banxia to jointly achieve the effect of drying dampness. Gancao assists Chenpi to harmonize together. Cheng Wuji stated: Banxia moves fluid qi and moistens kidney dryness. As stated in the *Classic of Difficult Issues* (*Nanjing*): "Pungent flavors can moisten," which is exactly this principle. Moving fluids causes the Earth element to naturally dry; it is not that the nature of Banxia itself is drying. Some say: If there is phlegm accompanied by thirst, Banxia should be removed and replaced with Beimu (Fritillariae Bulbus). Wu Kun stated: If one is thirsty and desires to drink, with free urination, substitution is appropriate. If one cannot drink, with obstructed urination, even if thirsty, Banxia should still be used. This is because dampness is the root and heat is the branch; it is referred to as extreme dampness generating a transformation contrary to its controlling element, which is not the true manifestation. Furthermore, people in the Southeast region generate phlegm due to damp-heat; therefore, Zhu Zhenheng advocated adding Zhishi (Aurantii Fructus Immaturus) and Sharen (Amomi Fructus), naming it Zhishi Erchen Tang (Immature Bitter Orange and Two-Cured Decoction), whose nature is more rapid and intense. Ancient sages said: Erchen Tang (Two-Cured Decoction) is an excellent formula for treating phlegm, suitable for the upper, lower, left, and right aspects. However, it can only treat the branch symptoms of excess phlegm, not the root cause of deficiency phlegm. The root of deficiency phlegm lies in the Spleen and Stomach; practitioners must examine this carefully.

Treats vomiting of bitter fluid due to heat, mental restlessness due to deficiency, palpitations with fright, insomnia, and rebellious phlegm-qiang.
Zhuru (Bambusae Caulis in Taenia), Zhishi, Banxia, Gancao, Chenpi, Fuling, Shengjiang. The above seven herbs are decocted in water and taken orally.

[Collected Annotations] Luo Qianfu stated: The Gallbladder is the official of uprightness and purity, a quiet organ; it prefers tranquility and abhors disturbance; it prefers gentleness and abhors stagnation. This corresponds to the virtue of Wood in the East, possessing the mild and warm qi of Shaoyang (Lesser Yang). After illness, or in chronic illness where old phlegm-fluid has not yet dissipated, and residual heat in the chest and diaphragm remains unresolved, the harmonious qi of Shaoyang will inevitably be damaged. Consequently, mental restlessness and palpitations occur because the official of uprightness is unsettled by scorching heat. Vomiting bitter fluid due to heat occurs because the quiet organ is disturbed by stagnant heat. Rebellious phlegm-qiang occurs because the Wood element (Liver/Gallbladder) carries heat upward. This formula uses Erchen Tang to treat all types of phlegm-fluid, adds Zhuru to clear heat, adds Shengjiang to stop vomiting, and adds Zhishi to break rebellious qi. They complement and enhance each other. Although it does not directly treat the Gallbladder, the Gallbladder qi becomes harmonious naturally, precisely because the phlegm-heat in the Gallbladder has been eliminated. It is named "Wen" (Warm) to signify mildness and gentleness, not referring to temperature (warm vs. cool). If it were meant to treat true cold-fear and timidity of the Gallbladder with warming methods, not only would the formula lack Gallbladder-warming herbs, but it would also contain stomach-cooling medicines.