Exact midpoint of the popliteal transverse crease
Sciatica, back pain, paralysis of lower extremities, disorder of the femoral joint and its surrounding soft tissue, heat stroke. Low back pain, motor impairment of the hip joint, contracture of the tendons in the popliteal fossa, muscular atrophy, pain, numbness and motor impairment of the lower extremities, hemiplegia, abdominal pain, vomiting, diarrhea, erysipelas.
Clears heat, resolves damp, relaxes the sinews, removes obstructions from the channel, cools blood, elimiates stasis of blood, clears summer heat.
It is a Fire point.
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Perpendicularly 0.8-1.5 inches, or prick with cutting needle on the vein and let out blood.