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Alternate names: 颡大 sǎng dà, Forehead Large

Channel: ST, foot yáng brightness (yáng míng) stomach channel

Modern location: An acupoint located on the superior aspect of the head, in a depression 0.5 cùn within the anterior hairline at the corner of the forehead.

Classical location: At the corners of the forehead within the hairline, one cùn and five fēn to the side of Root Spirit (GB-13), four cùn and five fēn from Spirit Court (GV-24). From The Great Compendium of Acupuncture and Moxibustion (针灸大成 zhēn jiǔ dà chéng)

Local anatomy: The frontal branches of the superficial temporal artery and vein. The branch of the auriculotemporal nerve and temporal branch of the facial nerve.

Action: Dispels wind and discharges fire; relieves pain; clears the head and brightens the eyes.

Modern indications: Headache; dizzy vision; eye pain; tearing; twitching of the eyelids.

Classical indications: Panting counterflow; vexation and fullness; splitting headache; eyes painful as if fit to burst from their sockets.

Needle stimulus: Needling: 0.5‒1.0 cùn upward or downward transverse insertion. Moxa: pole 5‒10 min.

Point groups: Intersection point (jiāo huì xué) of the stomach and gallbladder channels.

Point name meaning:

• 头 tóu: head
• 维 wéi: to bind, to tie together (originally, a net for
catching birds), corner

From its original meaning of net, the wéicharacter (维) came to mean to bind or tie. If 维 is taken in this sense, then the point name may be a reference to the point’s location at the place where a crown or other headwear would be bound to the head.

However, the character 维 (wéi) often carries the meaning of corner. For example, the expression 四维 (sì wéi)refers to the four corners of a net, and by extension, the four cardinal points and the four limbs. ST-8 is located at the corner of the forehead and is therefore called Head Corner. See acupoint names: origins, meanings, and translations.

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