B3 Meichong ( V3 )

Location Directly above the medial end of the eyebrow , - 0 . 5 cun within the anterior hairline , between Du24 and B4

Indications Headache , giddiness , epilepsy , nasal obstruction .

Method Puncture subcutaneously - 0 . 3 - 0 . 5 inch

Vasculature The frontal artery and vein

Innervation The medial branch of the frontal nerve .