Acupuncture Points Notebook

: Yinjiao : Gum Intersection

Du-28 : Extraordinary Governing Vessel 28

Meeting of Governing Vessel with Ren Mai and Stomach

Inside the mouth, in the superior frenulum, at the junction of the upper lip and gum.

Oblique insertion directed superiorly 0.2 - 0.3 cun, or prick to bleed

TCM Actions:
Clear heat and benefits the gums
Benefits the nose and eyes

TCM Indications:
  • Redness, swelling and pain of the gums, erosion of the gums, bleeding from the gums.
  • Nasal polyps, nasal sores, nasal congestion, pain of the forehead and glabella.
  • Excessive lacrimation, redness, itching and pain of the inner canthus, pain of the eyes and lack of clarity of vision, superficial visual obstruction.
  • Red face with agitation, jaundice, stiffness of the neck with inability to turn the head.

    Superficial Innervation: Maxillary branch of trigeminal nerve (CN V2)
    Dermatome Segment: CN V2 maxillary branch of trigeminal

    Avicenna describes venesection at this point in his treatise On Venesection:

    "A gum vein is venesected to treat problems of the stomach mouth." (Aspects of Treatment According to General Diseases, 21st section in Abu-Asab, Amri & Micozzi, 2013, Avicenna's Medicine)

    Reference Notes: (click to display)