Understanding Acupuncture Channels: Highways of Healing

Aug 30, 2025By Katherine Chen LAc
Katherine Chen LAc

In Traditional Chinese Medicine (TCM), the acupuncture channels (also called meridians) are like a vast network of highways connecting every part of the body. They distribute qi (vital energy) and blood, ensuring communication between the organs, limbs, and senses. Just as traffic jams on a freeway create congestion and imbalance in a city, blockages or deficiencies within the channels affect health, energy, and emotional balance.

Acupuncture points act like entry and exit ramps—places where we can redirect, unblock, or tonify the flow of qi and blood to restore harmony. Practitioners often describe the channels as a map of movement and communication: clear away stagnation, redirect excess, and nourish deficiency. Just as traffic congestion can cause a city to grind to a halt, blockages in the meridians lead to pain, tension, or dysfunction.

There are twelve primary meridians, each paired with a major organ system—such as the Lung, Heart, Liver, Kidney, and their yang counterparts. These points can regulate the organ system they belong to, or influence areas along the pathway.

In addition to the primary meridians, there are the eight extraordinary vessels  (奇经八脉), which act like reservoirs and regulators, helping to store and circulate qi and blood when the primary channels are imbalanced.

In total, there are over 360 classical acupuncture points, with additional systems such as Tung-style points that expand the practitioner’s toolkit. Each meridian connects internally to an organ system and externally to a pathway on the body’s surface, creating both a diagnostic and therapeutic map.

Medical acupuncture model of human

Balancing the System

The channels are not isolated; they interact continuously. For example, Lung and Large Intestine (paired yin-yang meridians) regulate breathing and elimination. If the Lung channel is dry or deficient, constipation may appear—highlighting how imbalances in one channel ripple outward. Acupuncture treatments often select points along different meridians to rebalance the system, much like re-routing traffic to clear a bottleneck.

Remote and Distal Treatments

One of the most fascinating aspects of acupuncture is the ability to treat distant areas through channel connections. A headache may be eased by points on the hands or feet; knee pain may be treated at the opposite elbow. This principle of mirroring and imaging allows the acupuncturist to address pain or dysfunction without needling directly at the site of discomfort.

Special Functions of Points

Within the meridian network, certain categories of points function like specialized service hubs:

  • Yuan-source points support the organ’s original qi, strengthening foundational energy.
  • Luo-connecting points link paired meridians and can balance excess/deficiency between them.
  • Xi-cleft points are often used in acute conditions or pain, acting like emergency exits.
  • Command points (e.g., ST36 for the abdomen, BL40 for the back) influence broad regions of the body.

Classic combinations such as ST36 (足三里, Zusanli) and SP6 (三阴交, Sanyinjiao) nourish qi and blood, harmonize digestion, and strengthen immunity, making them common in both wellness and recovery treatments.

Extraordinary Vessels  (奇经八脉):  The Regulating Reservoirs

The extraordinary channels act as deep regulators, balancing yin and yang, left and right, front and back. The Yin Qiao and Yang Qiao vessels influence posture and gait, while the Yin Wei and Yang Wei vessels help integrate yin and yang cycles of the body. These channels are particularly effective in complex or chronic conditions, where surface-level treatments are not enough.

Bletilla striata 'Yokohama'

Tung Style and Clinical Innovation

Beyond the classical system, Tung style acupuncture—developed by Master Tung Ching-Chang—offers highly effective point groupings based on channel correspondences and imaging systems. These distal points often yield rapid results for pain, inflammation, and internal organ disorders, and are increasingly used worldwide in clinical practice.

Acupuncture Channels and Emotional Health

An intriguing aspect of acupuncture is its impact on emotional well-being. Each meridian is believed to correlate with specific emotions. For instance, the liver meridian is associated with anger, while the heart meridian relates to joy. By targeting these channels, acupuncture can help regulate emotions and alleviate stress.

This holistic approach considers emotional health as a crucial component of overall wellness, promoting harmony between mind and body.

Channel System in Practice 

Just as a highway can be cleared of traffic jams or repaired when damaged, acupuncture seeks to resolve stagnation (气滞, 血瘀) and support deficiencies (气虚, 血虚, 阴虚, 阳虚). The channels are highly interconnected, allowing distal points to affect remote regions. For example, a headache may be treated with He Gu (合谷, LI4) on the hand, or digestive discomfort relieved through Zu San Li (足三里, ST36) on the leg. Practitioners may even treat the opposite side of the body, using healthy pathways to help restore balance in the affected area.

Certain point groupings, known as “Four Gates” (四关穴) — He Gu (合谷, LI4) and Tai Chong (太冲, LR3) — are often combined to strongly move Qi and Blood. Similarly, pairing Zu San Li (足三里, ST36) with San Yin Jiao (三阴交, SP6) harmonizes digestion, circulation, and gynecological health. These are classic examples of how distal combinations act like traffic controllers, opening circulation and restoring systemic flow.

Burning aromatic candle with eucalyptus branches on pink background

Beyond the primary meridians, the extraordinary vessels (奇经八脉) — such as the Yin Wei Mai (阴维脉), Yang Wei Mai (阳维脉), Yin Qiao Mai (阴跷脉), and Yang Qiao Mai (阳跷脉) — serve as reservoirs and regulators of Qi and Blood. They help integrate the channels, ensuring harmony between left and right, interior and exterior, yin and yang. In clinical practice, pairing extraordinary vessel confluent points, such as Nei Guan (内关, PC6) with Gong Sun (公孙, SP4), or Shen Mai (申脉, BL62) with Lie Que (列缺, LU7), creates deep regulatory effects across multiple systems.

Special point categories provide additional layers of precision. Xi-Cleft points (郄穴), such as Di Ji (地机, SP8), are powerful for acute and painful conditions. Yuan-Source points (原穴), such as Tai Yuan (太渊, LU9), directly support the body’s fundamental Qi. Luo-Connecting points (络穴), such as Pian Li (偏历, LI6), link paired meridians and help balance excess and deficiency between them.

In addition to the classical system, Tung-style acupuncture (董氏针灸) offers another layer of clinical effectiveness. One hallmark of this lineage is the Dao Ma (倒马) technique, which uses three nearby points as a synergistic set to strongly amplify results — much like combining herbs in a formula. This approach is particularly effective for pain, stubborn stagnation, and systemic imbalances, demonstrating Tung’s clinical emphasis on efficiency and immediate therapeutic effect.

Yin Yang Motive made of stones and lines in the sand

Analogies & Takeaways: Pathways, Blockages, and Relief

  • Highways & intersections: meridians and their connecting collaterals
  • Traffic jam: Qi or blood stagnation → pain, swelling, dysfunction
  • Maintenance crew (acupuncture): needle stimulation that clears blockages, rebalances traffic
  • Distal points: bypass roads are used when the main route is blocked
  • Gates like ST36/SP6: major entrances to the energy network—powerful points for broad impact

The Bigger Picture

In summary, the channel system can be visualized as a living highway map, with intersections, back roads, and bypasses. Acupuncture, by stimulating these points with precision, ensures smooth circulation, clears blockages, and strengthens deficiencies — allowing the body to restore its natural balance and vitality.

Acupuncture channels form a dynamic network of communication and regulation. Treatments may “open the gates” to clear stagnation, redirect flow across blocked pathways, or tonify deficiencies to restore resilience. Whether using classical meridian points, specialty categories, or Tung-style methods, acupuncture helps patients return to balance—supporting not only symptom relief but also long-term harmony of body and mind. 

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References: 

1. https://en.wikipedia.org/wiki/Meridian_(Chinese_medicine) 

2. https://www.dc-acupuncture.com/physical-health/how-acupuncturists-choose-acupuncture-points

3. https://onlinelibrary.wiley.com/doi/10.1155/2013/287184