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(Treating Phlegm-Cough and Asthma)
The Jiangqi Decoction (Descend Qi Decoction) consists of Fructus Viticis (Suzi), Rhizoma Pinelliae (Banxia), and Radix Angelicae Sinensis (Danggui). It also includes Pericarpium Citri Reticulatae (Chenpi), Radix Peucedani (Qianhu), Lignum Aquilariae Resinatum (Chenxiang), Cortex Magnoliae Officinalis (Houpo), Radix Glycyrrhizae Preparata (Zhigancao), and Rhizoma Zingiberis Recens (Shengjiang) as foundational ingredients. (Fructus Viticis, Pericarpium Citri Reticulatae, Rhizoma Pinelliae, Radix Angelicae Sinensis, Radix Peucedani, and Cortex Magnoliae Officinalis are each used in 1 qian; Lignum Aquilariae Resinatum and prepared Radix Glycyrrhizae are each used in 0.5 qian. Decoct with fresh ginger. In another version without Lignum Aquilariae Resinatum, add Cortex Cinnamomi.) ○ Fructus Viticis, Radix Peucedani, Pericarpium Citri Reticulatae, and Rhizoma Pinelliae have the effect of descending Qi.
When Qi moves, phlegm follows. Wind-cold stagnating in the skin and hair causes Lung Qi to rebel upward, resulting in asthma. These herbs are ingenious in their ability to release the exterior. Taking blood as the foundation, when asthma occurs, Qi and Blood flow erratically and fail to return.
Therefore, Radix Angelicae Sinensis is used to nourish Blood. Since asthma leads to rapid breathing, Radix Glycyrrhizae is used to relieve urgency. However, the Lung is responsible for exhalation, while the Kidney is responsible for inhalation. Thus, Lignum Aquilariae Resinatum is used to guide Qi into the Kidney, or Cortex Cinnamomi is used to lead Fire back to its source, serving as a guiding agent.
Chen Xiuyuan stated: Zhang Zhongjing said, "For patients with a history of asthma who contract a cold, Guizhi Tang (Cinnamon Twig Decoction) with added Cortex Magnoliae Officinalis and Semen Pruni Armeniacae is optimal." The Suzi Jiangqi Tang was derived from this formula. Contemporary physicians consider it highly applicable to current conditions. However, although it appears to resemble the Way of the Sages, only Zengzi deemed it unacceptable.

(Treating Mental Confusion, Palpitations, and Insomnia)
The Anshen Wan (Calming the Spirit Pill) formula is quite common. It contains Radix Angelicae Sinensis, Radix Glycyrrhizae, Cinnabaris (Zhusha), Rhizoma Coptidis (Huanglian), and Radix Rehmanniae Preparata (Shengdihuang). (Cinnabaris is ground separately; Rhizoma Coptidis is used in 0.5 liang; Radix Rehmanniae Preparata in 3 qian; Radix Angelicae Sinensis and Radix Glycyrrhizae in 2 qian each. These are powdered, processed with wine and steamed buns, formed into pills the size of hemp seeds, coated with Cinnabaris. Take 30 pills each time, swallowed with saliva before bed.) During episodes of confusion and palpitations when sleep is impossible, one must cultivate the mind (as Mencius said: "If you grasp it, it exists") and ensure it remains in its proper place.
Chen Xiuyuan stated: Li Dongyuan's formulas are often chaotic and disorganized. Only this formula uses the heavy nature of Cinnabaris to suppress fear, the bitter nature of Rhizoma Coptidis to clear heat, the acrid nature of Radix Angelicae Sinensis to regulate Blood, and further employs the sweet nature of Radix Glycyrrhizae to moderate the excessive bitterness of Rhizoma Coptidis. The moistening nature of Radix Rehmanniae Preparata assists where Radix Angelicae Sinensis falls short. The intent of the formula is pure and worthy of selection.

(Treating Emotional Injury, Upper Asthma, and Chest Fullness)
Simoge Tang (Four-Ingredient Decoction) treats injuries caused by the Seven Emotions. Ren Shen (Ginseng Root) leads Bing Lang (Areca Seed), Wu Yao (Lindera Root), and Hei Chen Xiang (Black Agarwood). (Ren Shen, Tiantai Wu Yao, Bing Lang, and Hei Chen Xiang are used in equal parts. Each is ground separately. Take one-tenth part of the concentrated liquid, boil for 20-30 times, and take on an empty stomach. Alternatively, combine with Yangzheng Dan for better results.) The ground juice, slightly boiled, regulates rebellious Qi; this formula is sought for deficiency-patterns complicated by excess.
Wang Youyuan stated: The Seven Emotions can all cause disease. However, they heal through movement in the robust, but become entrenched due to stagnation in the weak. Ignorant people fail to investigate; upon encountering upper asthma, chest fullness, and loss of appetite, they assume it is an excess pattern suitable for purging, and immediately administer dispersing and consuming drugs. Although there may be temporary relief after taking the medicine, it works initially but fails with prolonged use. Exhalation is Yang, inhalation is Yin. When Lung Yang Qi is vigorous, it descends clearly and returns to Kidney Yin, allowing Qi to be retained and preventing it from scattering and rebelling upward. If Righteous Qi is already depleted, Pathogenic Qi will inevitably be strong. Even if one attempts to break hardness and stagnation, the Pathogenic Qi will not subside. Therefore, Ren Shen is used to drain hyperactive Fire and support Righteous Qi; Hei Chen Xiang guides Qi into the Kidney; then Bing Lang and Wu Yao follow to guide it. This is what is meant by "when treating excess, one must consider deficiency; when purging, one must first tonify." These four substances have dense flavors and aromas. Grinding extracts their complete flavor; decocting extracts their aromatic energy. When both flavor and energy arrive together, the efficacy is immediate like a drumstick striking a drum. As for Yangzheng Dan mentioned below, it is a kidney-warming drug. This formula tonifies Lung Qi, while Yangzheng Dan warms Kidney Qi, anchoring and returning to the root, causing urgent asthma to cease quickly.