The heart meridian is energetically connected to the small intestine and belongs to the Fire element, which means that it is often associated with warmth and laughter. It is also believed that due to its connection with the tongue, the heart meridian controls our speech. Furthermore, the heart meridian is considered to rule the blood, tongue, sweat, adrenals, thyroid, and prostate.
Since the heart is considered to be the ruler of all emotions, the heart meridian is also energetically linked to a variety of emotions, including sadness, fear, anxiety, grief, hate, dullness, and erratic behavior.
The heart meridian has 9 points. It is a yin meridian that originates in the heart. After emerging from the heart, the meridian spreads around the heart system before passing down through the diaphragm and connecting with the small intestine. Because of this pathway, the heart meridian is generally paired with the small intestine meridian.
Another branch of the meridian travels upwards, connecting first with the tongue before continuing up to meet with the tissues around the eye. Meanwhile, the exterior part of the meridian, and the one most often accessed through acupuncture, passes across the lung and down the arm—ending at the tip of the little finger.
Further Reading:
Learn More about the Heart Meridian and How to Keep It in Balance