In traditional Chinese medicine (TCM), people engage with acupuncture or acupressure in two main ways: reactively—when something goes wrong and needs fixing, and proactively—aiming to cultivate long-term health. The proactive path is known as “yang shen,” which translates to “nurturing life” and spans everything from herbal teas to daily acupressure.
Many begin their TCM journey from illness, but gradually, they discover the beauty of maintenance. Outer Mound (Wai Ling, ST26) quietly embodies the transition from symptom-chasing to whole-body support. If you’re looking to build a deeper relationship with your health, this point deserves a spot on your radar.
A Systemic View of a ‘Minor’ Point
First mentioned in the “Ling Shu” (“The Spiritual Pivot”)—an early acupuncture classic—Wai Ling rarely makes the top 10 lists of acupuncture’s greatest hits. Yet, when you stop viewing acupoints as isolated pressure spots and start seeing them as part of a larger energetic circulatory system, Wai Ling’s value becomes clear.
Located right next to Tian Shu (ST25), a well-known “hub” point, Wai Ling plays a supportive role in moving qi (vital energy) and easing pain. Classical texts reference its ability to help relieve abdominal discomfort and restore flow when energy becomes stagnant. It might not be flashy, but Wai Ling helps keep the whole network running smoothly.
Practical Functions
Wai Ling’s strength lies in treating localized pain and disturbances in the abdominal region. TCM practitioners usually use it for bloating, gastric discomfort, and even hernias, and benefits beyond digestion. Thanks to its position and meridian (energy pathway) connection, Wai Ling is also used in cases of menstrual issues, such as irregular cycles, painful cramps, or missing periods. It works subtly to harmonize what TCM sees as imbalances in the flow of qi and blood through the reproductive and digestive organs.
Modern Research: Mapping the Network
Current research is investigating how acupuncture interacts with physiological systems and its potential clinical applications. In one study, scientists injected a tracer into various acupoints—including Wai Ling—to observe how they connect within the nervous system.
The results were striking. Motoneurons associated with Wai Ling formed a distinct column in the spinal cord, only connecting to neurons from the same meridian. Motoneurons also projected directly to sympathetic preganglionic neurons, which play a key role in regulating internal organs, suggesting that Wai Ling is embedded in a physiological network that influences digestion and internal regulation.
Another study explored how acupuncture could help patients with vascular dementia following stroke. Participants who received both medication and acupuncture showed greater improvement in memory, daily functioning, and brain blood flow compared to those who took medication alone. While Wai Ling was a supportive acupoint in the protocol, it helped to boost circulation and cognitive function.
How to Locate and Activate Wai Ling
To locate Wai Ling, place your thumb knuckle just below your navel. From that point, measure two thumb-widths outward to each side. That’s where Wai Ling sits—one point on the left, one on the right. Press gently around the area until you find a spot that feels tender or sensitive—that’s your sign you’ve found the right place. If energy is blocked or there are digestive issues, this point may feel more sore than usual.
Ways to Activate Wai Ling
- Firm pressure: Press firmly for three to five seconds, then relax for three seconds. Repeat for one to three minutes on each side.
- Circular massage: Massage in small circles with your index finger or thumb for one to three minutes on each side.
- Herbal patch: Apply an herbal patch overnight for longer activation.
- Advanced methods: Acupuncture, cupping, or moxibustion (a gentle heat therapy using dried mugwort) by a trained professional can deepen the therapeutic effects.
Precautions
Avoid using Wai Ling if you have any injuries in the abdominal area. If you’re using herbal patches, avoid artificial or harsh ingredients, especially if your skin is sensitive. Some practitioners recommend that pregnant women avoid stimulating this point, especially with heat therapies like moxibustion.
A Gentle Habit Worth Building
Wai Ling may not boast the fame of its neighboring acupoints, but it plays an essential role in everyday health. You don’t need to stimulate it daily, but next time you find three minutes to spare, give this point a little love. Over time, these small acts of care build a foundation that separates decent health from truly vibrant well-being.
TCM expert Shihhsiang Hung reviewed this article for accuracy and clarity.
Originally published in Epoch Times on 18 July 2025
