Location of Quepen
Quepen is located at the middle of the clavicle, 4 cun from the midline, behind it, in the costoclavicular space.
This is where the brachial plexus passes, which supplies the whole upper limb.

Therapeutic functions and clinical indications
- Point through which all the Yang meridians pass except the Bladder meridian, so it is very often used to lower Yang: rising Yang, anger, hypertension or insomnia;
- Pain in the upper limb: circulatory (arterial and venous) problems, neck pain, neuralgia, paralysis of the arm.