0.3–1 cun vertically or obliquely in a proximal or distal direction.
Lingdao HE-4 is the River point of the Heart Channel. It is mostly used to treat channel disorders and it has a special action on joints and bones. For examples, it can be stimulated to ease spasm and forearm neuralgia.
On the other hand, Lingdao HE-4 is also able to subdues Rebellious Qi. Therefore it can treat symptoms such as retching as well as redness and swelling of the eyes.
Finally, it treats mental issues such as sadness, fear, anxiety, mental restlessness due to its calming effect on the Mind.