You might not think of your inner elbow as the key to better sleep, a healthier heart, and relief from arm pain—but traditional Chinese medicine (TCM) certainly does. Lesser Sea (Shao Hai, HT3) is an important acupoint on the Heart meridian widely used in clinical practice.
Shao Hai helps regulate heart rhythm, improve emotional well-being, and ease tension in the arm. It’s also one of the best points for harmonizing two vital organ systems: the heart and kidneys. Ancient insights and modern science both point to the power of Shao Hai. To locate it, bend your elbow at a 90-degree angle and find the tender spot midway between the inner elbow crease and the bony bump on the inside of the elbow.
A Useful He-Sea Point
Shao Hai is a unique acupoint classified as a He-Sea point. He-Sea points are where qi (vital energy) enters the body’s interior, influencing the associated organ—in this case, the heart. According to the foundational acupuncture text, “Zhen Jiu Jia Yi Jing (The A-B Classic of Acupuncture and Moxibustion),” written almost 2,000 years ago, Shao Hai has long been recognized for regulating heart function.
When the flow of qi along the Heart meridian is disrupted, whether due to an unhealthy lifestyle or strong negative emotions, it can lead to symptoms such as irregular heartbeat, high or low blood pressure, chest tightness, and even insomnia or disturbing dreams, this is where Shao Hai is particularly effective—it is specifically utilized to normalize the strength and rhythm of the heartbeat, harmonize emotional imbalances, and promote restful sleep. It also connects the heart and kidney systems, which TCM considers essential for maintaining physical and emotional stability.
Due to its location, Shao Hai is also commonly used to treat conditions like tennis elbow and localized pain in the inner arm.
What Modern Science Says About Shao Hai
Although conventional medicine does not acknowledge the existence of meridians, emerging research provides evidence that these energetic pathways may have unique properties. A fascinating thermal imaging study showed the effects of moxibustion, a heat-based therapy following specific meridian lines.
In this study, heat applied to acupoints, including Shao Hai on the heart or lung meridians, traveled more effectively along their designated pathways than to nearby, unrelated points. This suggests that meridians are not arbitrary and may correspond to physiological lines of communication that the body utilizes.
Another study looked specifically at heart-related acupuncture points along the Heart and Pericardium meridians in patients recovering from coronary artery bypass surgery. Those who received the acupuncture protocol that included Shao Hai reported significantly lower levels of pain and reduced need for painkillers compared to those who didn’t. These results lend weight to what TCM has maintained for centuries: Properly chosen acupoints can support managing heart-related conditions.
How to Locate and Stimulate Shao Hai
To find Shao Hai, bend your elbow to a 90-degree angle. Locate the inner side of the elbow crease and feel for the bony bump of the inner elbow (the medial epicondyle of the humerus). Shao Hai is situated directly in the middle of the line connecting the two landmarks. When you find a tender spot in that region, you’ve likely hit the mark.
How to Stimulate Shao Hai at Home
You don’t need any special equipment to get started. Here are a few beginner-friendly ways to activate Shao Hai and enjoy its benefits:
- Press: Firmly press the point for three to five seconds, pause for three seconds, and repeat for one to three minutes per side.
- Massage: Use circular pressure with your thumb or index finger for the same duration.
- Tapping: Try rhythmic tapping with a loose fist while breathing in for three counts and out for four to six. Some traditionalists recommend 108 taps per arm for a deeper effect.
- Herbal Patch: Apply an herbal patch overnight for consistent stimulation while you sleep.
For more intensive stimulation, consult a trained TCM professional for acupuncture, cupping, or moxibustion, depending on your condition and comfort level.
Precautions
Avoid applying pressure to any area that is injured, inflamed, or bruised. Consider using a hairdryer on a low setting for 10 to 15 minutes to gently stimulate blood and qi flow. If you’re using herbal patches, avoid those with harsh chemical additives, especially if you have sensitive skin.
One Point, Many Benefits
Shao Hai is a popular choice among TCM practitioners for a good reason, but you don’t have to schedule an appointment or deal with needles to reap its benefits. Just a few minutes of self-care at home can support your heart health, ease emotional stress, promote deeper sleep, and relieve tension in your arms. If you have three minutes to spare, consider giving your heart some extra care and support.
TCM expert Shihhsiang Hung reviewed this article for accuracy and clarity.
Originally published in Epoch Times on 6 May 2025
