在手掌，第5掌指关节近端，第4、5掌骨之间。

注：第4、5掌骨之间。握拳时，小指尖所指处，横平劳宫(PC8)。

On the palm of the hand, in the depression between the fourth and fifth metacarpal bones, proximal to the fifth metacarpophalangeal joint.

Note: Between the fourth and fifth metacarpal bones, where the tip of the little finger rests when a fist is made, at the same level as PC8.

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