G12 Wangu ( VB12 )

Location In the depression posterior and inferior to the mastoid process .

Indications Headache , insomnia , swelling of the cheek , retroauricular pain , deviation of the eye and mouth , toothache .

Method Puncture obliquely - 0 . 3 - 0 . 5 inch . Moxibustion is applicable .

Vascularure The posterior auricular artery and vein .

Innervation The lesser occipital nerve .