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Treats upper jiao asthma with panting and cough.
*Zi Wan* (Asteris Radix), *Wu Wei Zi* (Schisandrae Fructus), *Ju Hong* (Citri Reticulatae Pericarpium Rubrum), *Gan Cao* (Glycyrrhizae Radix et Rhizoma), *Zi Su Zi* (Perillae Fructus), *Xing Ren* (Armeniacae Semen Amarum), *Sang Bai Pi* (Mori Cortex), *Ban Xia* (Pinelliae Tuber), *Zhi Ke* (Aurantii Fructus Immaturus), *Sheng Jiang* (Zingiberis Rhizoma Recens, five slices), *Zi Su* (Perillae Folium, five leaves). Decoct in water and take.

Treats asthma caused by lung deficiency with cold invasion, rebellious qi, and heat in the diaphragm.
*Bai Guo* (Ginkgonis Semen, 21 pieces, shelled, chopped, stir-fried until yellow)
*Mao Huang* (Ephedrae Herba), *Ban Xia* (Pinelliae Tuber, prepared with ginger), *Kuan Dong Hua* (Farfarae Flos, each 3 qian), *Sang Bai Pi* (Mori Cortex, honey-fried), *Su Zi* (Perillae Fructus, each 2 qian), *Xing Ren* (Armeniacae Semen Amarum, peeled and tips removed), *Huang Qin* (Scutellariae Radix, 1.5 qian), *Gan Cao* (Glycyrrhizae Radix et Rhizoma, 1 qian). Use three zhong of water, decoct to obtain two zhong, divide into two doses. Do not use ginger. Take slowly at any time without restriction.
Summary: Various diseases originally have prescriptions, but only asthma is feared as most difficult to manage. Ephedra combined with Mulberry Bark plus Perilla Fruit; Ginkgo and Farfara Flower offer even better efficacy. Licorice, Scutellaria Root together with Pinellia Tuber, decocted in water and taken hot without ginger; patients receiving this truly immortal medicine will know it is Ding Chuan Tang (Calm Asthma Decoction) after taking it.
This belongs to the Hand Taiyin Lung Meridian. Exterior cold should be dispersed; Ephedra, Apricot Seed, Mulberry Bark, and Licorice are pungent and sweet, promoting dispersion, draining the lung, and releasing the exterior. Interior deficiency should be astringed; Farfara Flower is warm and moistening, Ginkgo Seed is astringent, calming asthma and clearing the metal (lung); Perilla Fruit descends lung qi, Scutellaria Root clears lung heat, Pinellia Tuber dries damp-phlegm. They assist each other to achieve the effect of dispersing cold and unblocking congestion.

The qi of the entire human body is entirely related to the lung. If the lung is clear, qi flows smoothly; if the lung is turbid, qi becomes obstructed. If the lung has heat, fluids are damaged, leading to rough, scaly skin (jiacuo), and often results in Lung Abscess (Fei Yong). "Yong" means obstruction. It is formed by long-term stagnation of lung qi郁结 transforming into heat. Generally, chronic cough damages the lung, causing yuan qi (primordial qi) to gradually weaken. The patient experiences alternating chills and fever, spontaneous sweating, turbid saliva and phlegm in the mouth, or coughing up sputum containing red lines of pus and blood, or spitting much saliva and phlegm without pus. The pulse at the cunkou position is rapid and deficient/rough, or deficient and flooding. This is named Lung Withering (Fei Wei), due to heat in the upper jiao. If the mouth feels dry ("pipi zao"), coughing causes faint pain in the chest, throat dryness, asthma, thirst, slight swelling of the four limbs, first hemoptysis followed by expectoration of pus, rough skin on the chest (jiacuo refers to skin that is not smooth and lustrous), or one side of the body feeling burning hot, preferring to sleep on the right side and unable to lie on the left, left-sided pain causing urgent asthma and restlessness, sputum resembling pus with a bloody and foul odor, which sinks rather than floats when tested with water, and a rapid and forceful pulse, this is named Lung Abscess (Fei Yong). It is caused by labor injuring blood and qi, opening the couli (pores) to receive pathogenic factors. Cold contending with blood leads to accumulation forming an abscess. Unresolved accumulated heat turns defeated blood into pus, damaging lung lobes through coughing. Pressing the right hypochondrium causes pain in all such cases. If it has already ruptured and wind enters, it is incurable. Expectorating pus like rice porridge is difficult to treat. However, Fei Wei is characterized by deficiency of righteous qi, while Fei Yong is characterized by excess of pathogenic qi. The treatment method for Fei Wei lies in nourishing blood, spirit, and qi, and clearing the metal (lung). The treatment for Fei Yong lies in tonifying and nourishing blood and qi, while simultaneously employing methods to expel pus. However, Fei Wei can also have cold patterns, characterized by vertigo, spitting saliva and phlegm, no cough, no thirst, and urinary incontinence. This is due to cold in the lung and damp fluid in the heart. Ancients used Roasted Licorice and Dried Ginger to treat it, to tonify deficiency and fatigue. An ancient woman, over twenty years old, had a hole between her chest and diaphragm, from which pus and blood coughed up from the mouth emerged correspondingly. She was cured using formulas tonifying qi and blood such as Ginseng, Astragalus, and Angelica Sinensis, added with herbs for reducing heat and expelling pus. In Fei Wei with coughing, expectoration, throat dryness, and desire to drink water, self-healing occurs. Open-mouthed shortness of breath indicates critical condition.