DU28 (Yinjiao, “Yinjiao”) is an acupuncture point on the Governing Vessel Meridian. It is located on the inside of the upper lip, at the junction of the frenulum and the upper gum. It clears heat, resolves swelling, calms the spirit, and benefits the eyes, nose, and gums.
On the inside of the upper lip, at the junction of the frenulum and the upper gum.
Perpendicular or oblique-superior insertion 0.1-0.2 cun. Bleeding the point is also common.
Clears heat, resolves swelling, calms the spirit, and benefits the eyes, nose, and gums..
Lockjaw (trismus), pulling sensation in the nose, tearing with copious eye discharge, redness, pain, and itching of the inner canthus, white superficial visual obstruction (pterygium/cataract), facial redness with vexation and heart pain, nasal congestion, nasal polyps, nasal sores, erosive sores in the nose, pain in the nasal bridge and forehead, mouth cannot be held closed, mouth sores, epilepsy with mutual pulling, tetanic inversion, vexation and fullness, toothache, gingival pain, lip and mouth stiffness..
Yinjiao is the terminal point of the Governing Vessel and a key meeting point with the Conception and Stomach channels, making it significant for conditions of the face, mouth, nose, and eyes. It is particularly effective for acute lumbar sprain, where pricking the point to bleed can provide immediate relief. Clinically, it is also a primary local point for gum swelling, mouth sores, and nasal polyps, often treated by pricking or shallow needling.
DU28 is one of 28 points on the Governing Vessel Meridian. Nearby points:
DU28 (Yinjiao) is located on the inside of the upper lip, at the junction of the frenulum and the upper gum.
DU28 clears heat, resolves swelling, calms the spirit, and benefits the eyes, nose, and gums. Common clinical indications include lockjaw (trismus), pulling sensation in the nose, tearing with copious eye discharge, redness, pain, and itching of the inner canthus, white superficial visual obstruction (pterygium/cataract), facial redness with vexation and heart pain, nasal congestion, nasal polyps, nasal sores, erosive sores in the nose, pain in the nasal bridge and forehead, mouth cannot be held closed, mouth sores, epilepsy with mutual pulling, tetanic inversion, vexation and fullness, toothache, gingival pain, lip and mouth stiffness.
Perpendicular or oblique-superior insertion 0.1-0.2 cun. Bleeding the point is also common.
DU28 is a point on the Governing Vessel Meridian (Dū Mài).