Extra point · Lower Limb
Gallbladder (special point)
胆囊Dǎn NángAnatomical location
1–2 cun distal to GB34 (Yanglingquan), at the point of maximum tenderness on palpation.
Same point as 152PC · Dǎn Náng — Curious Points catalogMain function
Special point of the Gallbladder, drains Damp-Heat.
- Special diagnostic and therapeutic point of the Gallbladder
Therapeutic indications
- Cholecystitis
- cholelithiasis
- hypochondriac pain
- sciatica
Name and classical tradition
Dannang, 胆囊, is the anatomical name for the gallbladder: 胆 (膽), bile; 囊, sac. It is a point found by palpation, one or two cun below GB34, Yanglingquan, at the most tender spot, and the name tells you which organ it is used for.
It is a modern, 20th-century point, and the vocabulary shows it: 胆囊 is a term from Western anatomy, not from classical medicine, which spoke of 膽. Its method of location, on the other hand, is the oldest there is: look for the point where it hurts, the principle of the Ashi point.

