Ren24 Chengjiang ( Vc24 )

Location In the depression in the centre of the mentolabial groove .

Indications Facial puffiness , swelling of the gums , toothache , salivation , mental disorders , deviation of the eyes and mouth .

Method Puncture obliquely upward - 0 . 2 - 0 . 3 inch . Moxibustion is applicable .

Vasculature The branches of the inferior labial artery and vein .

Innervation The branch of the facial nerve .