About 1 finger breadth lateral to Zhigou (SJ 6), on the radial side of the ulna
Deafness, pain in the upper extremities, epilepsy. Deafness, pain in the ear, epilepsy, pain of the arm.
Removes obstructions from the channels, benefits the eyes and ears, stops pain.
It is a Wood point.
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Perpendicularly 0.5-1.0 inch.