In the palmar surface, between the 4th & 5th metacarpal bones, just between the ring and small fingers when making a fist
Palpitation, thoracalgia, pruritus vulvae, dysuresis, enuresis, elevated temperature in palm of hand. Palpitations, pain in the chest, spasmodic pain of the little finger, feverish sensation in the palm, enuresis, dysuria, pruritus of the external genitalia.
Clears Heart fire, Heart empty heat, and Heart phlegm fire, calms the mind.
It is a sedation point.
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Perpendicularly 0.3-0.5 inch.