1.Deafness, blue blindness, toothache, sore throat and swelling, and other otorhinolaryngological diseases; 2. Stroke coma, fever, swelling of the jaw, chest fullness, asthma and cough, numbness of the fingers, etc.

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

Sit in a position, extend the fingers, and face the palm downwards. Along the line at the base of the index fingernail and the radial side edge of the index 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 0.1 cun from the nail corner is the location of this acupoint.