Epilepsy, palpitations, insomnia, headache, dizziness and blurred vision, nasal sinusitis, nasal discharge, tearing, red and swollen eyes, cataract, night blindness, sticking out the tongue, opisthotonos, mania, epilepsy, palpitations, insomnia, dacryocystitis, conjunctivitis, rhinitis, neurosis, memory loss, schizophrenia.

In the head area, directly above the anterior hairline by 0.5 cun.

Step 1: Sit upright or lie supine.
Step 2: Measure straight up from the anterior hairline by the width of one transverse finger (the midpoint of the thumbnail is used as the reference for 1 cun), which is the location of this acupoint.