On the midline at the nape of the neck, in the depression 0.5 cun inferior to Fengfu(GV16), at the base of the external occipital protuberance.
①Acute aphonia, post-apoplectic aphasia, insanity, epilepsy, hysteria, mental diseases;
②headache, neck rigidity.
The patient should sit and keep the neck relaxed and the head a bit forward. Insert 0.5-1 cun inferiorly towards the mandible. This acupoint is near the medulla oblongata, so, avoid deep insertions or lifting and thrusting the needle in large amplitudes.