Hand Three Li.
On the radial side of the forearm, 2 cun distal to Quchi LI.11, on the line connecting Quchi LI.11 with Yangxi LI.5.
Unblocks collaterals, promotes the separation of clean and cloudy, dispels wind.
 - Diseases of the head: headache.
 - Affection of the throat: tongue pain, voice loss.
 - Digestive system: bursting pain in stomach, abdominal pain.
 - Channel diseases: pain and paresthesia in the shoulder and forearm, weakness and numbness of upper limbs. 
 - Features: mumps, downturning mouth, hemiplegia, furunculosis, limb heaviness. The point is effective for accompanying back pain.
Puncture perpendicularly 0.5 - 0.8 cun. Cauterization.