In which direction does the lung meridian flow?

The lung meridian flows downwards. This direction is significant in traditional Chinese medicine as it represents the lung's function of descending and dispersing Qi (vital energy) and bodily fluids. The lungs are responsible for the inhalation of air, which involves drawing air in, but their action extends to the expulsion of moisture and the regulation of fluids throughout the body. Therefore, it is essential to recognize this downward flow as it aligns with the lung's physiological roles, particularly in the context of respiration, and in the regulation of the body’s water metabolism.

While other directions like up, sideways, or backwards might suggest alternative movements or functions in different meridians or systems, they do not reflect the specific nature of how the lung meridian operates within the traditional framework of acupuncture and herbal medicine. The clear understanding of this flow is foundational for practitioners when considering treatments that involve the lung meridian.