Meridian (Chinese medicine)

• PRINCIPAL PROPOSED USES: Acupressure, acupuncture, massage, used as a diagnostic tool and not to treat a specific condition
• OTHER PROPOSED USES: Jin Shin Jyutsu, meridian tapping techniques, moxibustion, plum blossom therapy, qigong, reflexology, Reiki, shiatsu, therapeutic touch, tuina

DEFINITION: Invisible pathways that circulate energy and maintain balance and harmony throughout the body.

Overview

According to traditional Chinese medicine, the meridian system is the body's energy system and is essential for maintaining good health and harmony. Each of the twelve main meridians, or pathways, relates to a yin, or solid organ (heart, lungs, liver, spleen, kidneys, pericardium), or to a yang, or hollow organ (small intestine, large intestine, gallbladder, stomach, urinary bladder, triple heater). Meridian pathways transport vital energy (qi) throughout the body. These high-energy areas act as guides in pressure-point therapies such as acupuncture to help diagnose and treat illnesses. Meridians are seen as a link between the internal organs and the external environment. The state of an individual’s meridians is believed to be an indication of that person’s overall health. Meridians are the basis for many traditional Chinese medicine therapies, and one is believed to prevent disease by keeping meridians balanced. 

Mechanism of Action

Meridians are said to distribute vital life energy and to unify, link, and regulate all areas and activities of the body. Each meridian is associated with a unique set of disease symptoms. Pain occurs when the flow of energy along the meridian pathway is disrupted. Energy access points, or acupoints or acupuncture points, are functional sites located on the skin's surface along the meridian pathways. Stimulation at the appropriate site helps restore energy flow, eliminate blockages, and promote healing in the affected area.

Uses and Applications

Meridians are used in many pressure-point therapies to help heal, maintain harmony, and prevent imbalances. Meridians are most often used in acupuncture, acupressure, and massage techniques.

Scientific Evidence

Although the use of meridians in ancient Chinese healing has existed for centuries, the concept remains controversial. The scientific basis for meridians is unknown. Most evidence supporting meridians is anecdotal because of a lack of scientific validation by Western standards. Regardless, energy-based techniques have gained widespread interest and acceptance.

Researchers have been unable to find an anatomical structure corresponding to the meridian. Some studies have linked meridians to neurovascular bundles, trigger points, and connective tissue spaces. Other studies suggest that meridians run along a fluid pathway and are associated with areas of lower electrical resistance and greater conductivity in the body. Inadequate research design, unstandardized acupoint locations, small sample sizes, and a lack of rigorous statistical analysis limited the results of these multiple studies. Although these studies provide possible insight into the meridian system, the results remain inconclusive.

Because meridians and acupoints are elusive, it is difficult to design an appropriate placebo control group and proper double-blind procedures. More rigorous research is needed to quantify the importance of the meridian healing network as a beneficial form of medical intervention. Numerous scientific studies continue to examine meridians, although their results remain inconclusive. Some studies suggest that electrical activity along meridian lines may be higher than in surrounding tissue. Furthermore, imaging studies have shown key changes in blood flow, temperature, and metabolic activity along meridian lines during acupuncture or acupressure. However, double-blind, placebo-controlled studies are difficult to conduct, and treatments are often highly subjective and variable.

Choosing a Practitioner

Persons interested in meridian-based therapies should choose a qualified, trained practitioner. Licensing by the National Certification Commission for Acupuncture and Oriental Medicine (NCCAOM) or another oversight body is required in most US states for many areas of practice, such as acupuncture. Practitioners may also hold certifications in specific areas of study, such as sports medicine or the care of older adults.

Bibliography

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Mingming, Li, et al. "Chaihu-Guizhi-Ganjiang Decoction Is More Efficacious in Treating Irritable Bowel Syndrome than Dicetel According to Metabolomics Analysis." Chinese Medicine, vol. 17, no. 139, 14 Dec. 2022, doi:10.1186/s13020-022-00695-4. Accessed 10 Dec. 2025.

Qi, Wenchuan, et al. “Scientific Exploration and Hypotheses Concerning the Meridian System in Traditional Chinese Medicine.” Acupuncture and Herbal Medicine, vol. 4, no. 3, 2024, pp. 283–89, doi:10.1097/HM9.0000000000000128. Accessed 10 Dec. 2025.

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"What Are Acupuncture Meridians in Traditional Chinese Medicine?" American Institute of Alternative Medicine, 2 Feb. 2024, www.aiam.edu/acupuncture/acupuncture-meridians. Accessed 10 Dec. 2025.