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Related Experiment Video

Updated: Sep 23, 2025

A Traditional Chinese Medicine Characteristic Therapy for Bronchial Asthma: Moxibustion
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[Re-discussion on "Fenglong (ST 40) for phlegm"].

Ao Li1, Shu-Ping Niu1

  • 1School of TCM, Anhui University of CM, Hefei 230031, China.

Zhongguo Zhen Jiu = Chinese Acupuncture & Moxibustion
|May 11, 2022
PubMed
Summary
This summary is machine-generated.

Fenglong (ST 40) treats phlegm disorders by strengthening the spleen and resolving dampness. Its application broadened in the Ming Dynasty, shifting focus from general dampness to specific lung-related phlegm. Further evidence is needed to support this academic viewpoint.

Keywords:
Point ST 40 (Fenglong)literature researchorigins of acupointstermtreating phlegm disorders

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Area of Science:

  • Traditional Chinese Medicine
  • Acupuncture and Moxibustion
  • Gastrointestinal Disorders

Background:

  • The efficacy of Fenglong (ST 40) for phlegm disorders is a subject of ongoing research and historical interpretation.
  • Previous studies suggest its application for phlegm disorders became widespread during the Ming Dynasty.

Purpose of the Study:

  • To trace the historical evidence for Fenglong (ST 40)'s effect on phlegm disorders.
  • To analyze the evolution and standardization of Fenglong (ST 40)'s indications.
  • To present an alternative interpretation of Fenglong (ST 40)'s mechanism in treating phlegm.

Main Methods:

  • Historical literature review of 9 ancient acupuncture and moxibustion texts.
  • Analysis of indications and their changes over time.
  • Comparative examination of different interpretations of Fenglong (ST 40)'s function.

Main Results:

  • Fenglong (ST 40) primarily strengthens the spleen and resolves dampness, addressing a broader concept of "phlegm/dampness".
  • Since the Ming Dynasty, its application has narrowed to focus on visible sputum from the lungs, a more specific definition of "phlegm".

Conclusions:

  • The historical application of Fenglong (ST 40) for phlegm disorders has evolved from a broad interpretation of dampness to a narrower focus on lung-related phlegm.
  • The academic viewpoint of "Fenglong (ST 40) for phlegm" requires more robust evidence for comprehensive validation.