Between the posterior border of the external malleolus and the medial aspect of tendo calcaneus, at the same level as the tip of malleolus
Paralysis of lower extremities, lumbago,sciatica, disorder of the ankle joint and its surrounding soft tissue. Headache, blurring of vision, neck rigidity, epistaxis, pain in the shoulder, back and arm, swelling and pain of the heel, difficult labor, epilepsy.
Expels wind, removes obstructions from the channel, relaxes the sinews, clears heat, invigorates blood, strengthens the back.
It is a sedation point.
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Perpendicularly 0.5-0.8 inch.