Gong, connection; sun, reficular collateral.
Sun here indicates collateral. From this point the collateral of the Spleen Meridian connects with the Stomach Meridian.
In the depression distal and inferior to the base of the 1st metatarsal bone, at the junction of the red and white skin.
- main point for gastro-intestinal diseases, stomachache, abdominal pain, vomiting, diarrhea.
- for local pains.
Perpendicularly 0.8-1.2 cun.