1.Head and facial diseases: Headache, red and painful eyes, laryngitis, conjunctivitis, corneal leukoma, and other symptoms;
2.Other diseases: Fainting, cerebrovascular diseases, febrile diseases, pediatric indigestion, etc.

On the ulnar side of the distal phalanx of the ring finger, 0.1 cun from the corner of the nail. (This acupoint is paired, one on each side)

Extend the hand and make a loose fist. Along the line at the base of the ring fingernail and the ulnar side edge of the ring finger (which is the junction line between the palm and the back of the hand, also known as the boundary between the red and white skin), the point of intersection is the location of this acupoint.