Fever, unconsciousness, cough, sore throat, madness, nosebleed, etc.
On the radial side of the distal phalanx of the thumb, 0.1 cun from the corner of the nail. (This acupoint is bilateral, one on each side.)
Sit down with your fingers extended and palm facing down. Along the base of the fingernail and the outer (radial) edge, draw a line at the intersection of the palm and back (the junction of the red and white skin), 0.1 cun from the corner of the nail, and that is the location of this acupoint.