National Standard Code
A01.04
GB/T 15657-2021
Category
Lung-related diseases and syndromes

Traditional Chinese Medicine Definition

In traditional Chinese medicine, "Chuanyin" (asthma) refers to a category of lung-related diseases characterized by the upward reverse flow of lung Qi, leading to rapid breathing, and in severe cases, the patient may open their mouth, lift their shoulders, and fluff their nostrils. The pathogenesis of this condition is often due to lung Qi deficiency or external pathogenic invasion, resulting in the failure of the lung to ventilate and descend. According to the "Internal Medicine of Traditional Chinese Medicine," Chuanyin can be classified into various patterns such as wind-cold obstructing the lung, phlegm-heat stifling the lung, and lung Qi deficiency.

In clinical practice of traditional Chinese medicine, the core pathogenesis of Chuanyin is the upward reverse flow of lung Qi. Common triggers include external pathogenic invasion, improper diet, and emotional disharmony. During differentiation, it is crucial to distinguish between cold and heat, deficiency and excess, such as wind-cold obstructing the lung, which presents with asthma, coughing, profuse thin, whitish sputum, aversion to cold, and no sweating; phlegm-heat stifling the lung, characterized by asthma, coughing, rapid breathing, yellow, sticky sputum, fever, and thirst; and lung Qi deficiency, which manifests as shortness of breath, weak cough, spontaneous sweating, and aversion to wind. The overall approach to treatment suggests that different patterns should be treated with methods such as dispersing cold from the lung, clearing heat and resolving phlegm, and replenishing lung Qi. Traditional Chinese medicine believes that the prevention and treatment of Chuanyin should focus on nourishing lung Qi, strengthening the physique, and avoiding external pathogenic invasion.

Common Syndrome Types and Key Points of Differentiation

Wind-Cold Obstructing the Lung Syndrome

Main Manifestations: Dyspnea with cough and reverse, chest tightness and shortness of breath, abundant thin, white phlegm, aversion to cold, no sweating

Management Approach: Disperse Cold from the Lung, Reduce Qi and Relieve Asthma

Phlegm-heat oppressing the lung syndrome

Main Manifestations: Shortness of breath, coughing, rapid breathing, yellow, sticky phlegm, fever, and thirst

Management Approach: Clear Heat and Dissipate Phlegm, Disperse Cold from the Lung and Relieve Asthma

Lung Qi Deficiency Syndrome

Main Manifestations: Rapid breathing, shortness of breath, weak cough, spontaneous sweating, and aversion to wind

Management Approach: Tonify the Lung and Qi, Consolidate the Exterior and Relieve Asthma

The above syndrome information is based on traditional Chinese medicine textbooks and clinical standards. Specific differentiation should be completed by a practicing traditional Chinese medicine physician in person.

Physician's Clinical Insights

The physician's insight is that in treating Chuanyin patients, asthma should be differentiated based on deficiency and excess, cold and heat, while also considering the interdependence of Qi deficiency and blood stasis.

— Chen Yan Traditional Chinese Medicine Practitioner

Reviewed by: Chen Yan (Traditional Chinese Medicine Practitioner) | 2026-07-07 | Version 2

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Related Practicing Physicians

Chen Yan
Chen Yan Traditional Chinese Medicine Practitioner

This page is for the popular science of traditional Chinese medicine knowledge and does not constitute medical advice. Specific diagnosis should be completed by a licensed traditional Chinese medicine practitioner in person.

This article has been reviewed by licensed TCM physicians at Hangzhou Kezhentang TCM Clinic. It is for TCM popular science reference only and does not involve specific treatment plan recommendations.

References: Internal Medicine of TCM (13th Five-Year Plan Textbook), Diagnostic and Therapeutic Effectiveness Standards for TCM Diseases and Syndromes (ZY/T001.1-94), Classification and Codes of TCM Diseases and Syndromes (GB/T 15657-2021)

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