Da, large; ling, mound.
The protrusion of the palmar root is large, like a mound. The point is in the depression of the wrist proximal to it.
In the middle of the transverse crease of the wrist, between the tendons of m.palmaris longus and m.flexor carpi radialis.
Cardiac pain, arrhythmia, stomachache, vomiting, mental disorder, hysterial, intercostal neuralgia.
Perpendicularly 0.5-0.8 cun.