독맥 (GV)   >   GV20 백회 (百會)
부위
머리, 앞정중선(anterior median line) 위, 前髮際(anterior hairline)에서 위 쪽으로 5寸.

On the head, 5 B-cun superior to the anterior hairline, on the anterior median line.
Note 1: GV20 is located in the depression 1 B-cun anterior to the midpoint of the line from the anterior hairline to the posterior hairline.
Note 2: When the ears are folded, GV20 is located at the midpoint of the connecting line between the auricular apices.
침구법
- 橫刺 0.5～1.5寸 (前後 혹은 左右로 皮下를 沿해 橫刺入)
- 直刺 0.2～0.3寸