1.Otorhinolaryngology system diseases: Toothache, acute conjunctivitis, glaucoma, toothache, eye pain;
2.Others: Trigeminal neuralgia, tonsillitis, swelling and pain in the fingers, periarthritis of the shoulder, sore throat and swelling, fullness in the chest and abdomen, asthma, febrile diseases, red and swollen back of the hand, etc.

Located on the dorsal side of the hand, on the radial side of the second metacarpal bone, in the depression behind the metacarpal head, the acupoint is located by making a fist. (This acupoint is paired, one on each side)

Extend the arm and make a slight fist. Gently push along the junction line (the boundary between the red and white skin) on the radial side of the index finger, towards the back edge of the second metacarpophalangeal joint of the index finger, where you will feel a depression, which is the location of this acupoint.