Stiff neck and pain, headache, dizziness, insomnia, mania, epilepsy, hysteria, etc.

In the head area, directly above the posterior hairline by 5.5 cun.

Sit upright or lie prone. Measure 2 transverse fingers (index and middle fingers) backward from the top of the head at the One Hundred Meetings (GV-20) acupoint (refer to "One Hundred Meetings") along the midline, which is the location of this acupoint.