Location
( GV-20 Hundred Meetings BAIHUI - Acupuncture Points ) At the junction of a line connecting the apices of the ears and the midline, 5 cun from the anterior or 7 cun from the posterior hairline respectively.

How to find
Spreading hands technique: Place the hands on both sides of the head, with the little fingers touching the apices of the ears. Join the thumbs on the midline and locate GV-20 in shallow depression on the vertex of the head (alternative location method: use an elastic tape, with the midpoint marked on it).

The symbolic counterpart to GV-20 (as the highest point on the body and in contact with heaven) is KID-1, the lowest part of the body and in contact with the earth.
Needling
0.5–1 cun transversely (subcutaneously) towards the posterior (reducing effect) or the anterior (tonifying effect). Caution: Apply pressure to head points after needle removal to avoid bleeding. Remember to remove the needle after treatment.

Actions/Indications
Calms Wind, pacifies Yang, benefits the Brain and sensory organs, calms the shen
Nourishes the Sea of Marrow; applying moxibustion raises the Yang

Special features
Meeting point with the BL, G.B., T.B. and LIV channels; Sea of Marrow point. Important point for descending the Yang (reducing needle techniques) or raising the Yang (tonifying needle techniques, moxibustion).