在背部，第7胸椎棘突下缘，后正中线旁开3寸。

注：本穴与内侧的膈俞(BLI7)、至阳(GV9)均位于第7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 seventh thoracic vertebra (T7), 3 B-cun lateral to the posterior median line.

Note: BL46, BL17 and GV9 are located at the same level as the inferior border of the spinous process of the seventh thoracic vertebra (T7)

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