在背部，第9胸椎棘突下缘，后正中线旁开3寸。

注：本穴与内侧的肝俞(BL 18)、筋缩(GV8)均位于第9胸椎棘突下缘水平。

In the upper back region, at the same level as the inferior border of the spinous process of the ninth thoracic vertebra (T9), 3 B-cun lateral to the posterior median line.

Note: BL47, BL18 and GV8 are located at the same level as the inferior border of the spinous process of the ninth thoracic vertebra (T9).

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