HT6 (Yinxi, “Yin Cleft”) is the Xi-Cleft point of the Heart Channel of Hand-Shaoyin Meridian. It is located on the palmar aspect of the forearm, 0.5 cun proximal to the transverse wrist crease (the location of HT7), on the radial side of the flexor carpi ulnaris tendon. It calms the Spirit, clears deficiency Fire, and stops sweating.
On the palmar aspect of the forearm, 0.5 cun proximal to the transverse wrist crease (the location of HT7), on the radial side of the flexor carpi ulnaris tendon.
Perpendicular or slightly oblique proximal insertion, 0.3-0.5 cun deep, avoiding the ulnar artery and nerve.
Calms the Spirit, clears deficiency Fire, and stops sweating.
Chest pain, fullness in the chest and hypochondrium, inability to bend forward or backward, difficulty swallowing, excessive thirst, coughing up foul-smelling pus, rebellious cough with excessive saliva, heart pain, fright palpitations, bone-steam fever, night sweats, sudden loss of voice, nosebleed, vomiting blood.
As the Xi-Cleft point of the Heart channel, Yinxi is a primary point for acute conditions involving Heart Blood and Yin. It is particularly noted for treating severe, sharp, or stabbing chest pain (Heart pain) and for addressing night sweats that arise from Yin deficiency with empty heat. Its ability to clear deficiency fire also makes it useful for calming the spirit in cases of anxiety and palpitations rooted in Yin deficiency.
Classical text; the translation was prepared with AI and is not clinical advice.
《針方六集》 Zhēnfāng Liùjí — Six Collections on Needling, Wu Kun, 1618 · 卷之五·紛署集 · 手少陰及臂凡一十八穴第二十五 · Source: jicheng.tw ↗
陰郄二穴，主失音不言，灑淅振寒，厥逆心痛，衄血吐血，驚悸The text records that HT6 was used for loss of voice with inability to speak, shivering with cold, reversal counterflow with heart pain, nosebleed and vomiting of blood, and fright palpitations.
《普濟方·針灸門》 Pǔjì Fāng · Zhēnjiǔ Mén — Formulas for Universal Relief: Acupuncture & Moxibustion Section, Zhu Su, 1406 · 卷四百十六 · 針灸門 · 手少陰心經左右十八穴 · Source: jicheng.tw ↗
陰郄二穴 在掌後脈中。 去腕五分。 針三分。 灸七壯According to this text, HT6 lies at the pulse behind the palm, 5 fen from the wrist; needling is 3 fen, with 7 moxa cones.
《類經圖翼》 Lèijīng Túyì — Illustrated Wings to the Classified Canon, Zhang Jiebin, 1624 · 卷六 · 經絡（四） · 手太陽小腸經穴 · Source: jicheng.tw ↗
又云：同陰郄，治盜汗之多出The text records that HT6 was used in combination for profuse night sweating.
《醫學綱目·刺灸》 Yīxué Gāngmù · Cìjiǔ — Outline of Medicine: Needling and Moxibustion, Lou Ying, 1565 · 卷之七·陰陽臟腑部 · 刺灸通論（刺虛實刺寒熱入治寒熱法） · Source: jicheng.tw ↗
瀉陰郄，止盜汗並小兒骨蒸The text records that the reducing method at HT6 was used to stop night sweating and steaming-bone fever in children.
HT6 is one of 9 points on the Heart Channel of Hand-Shaoyin Meridian. Nearby points:
HT6 (Yinxi) is located on the palmar aspect of the forearm, 0.5 cun proximal to the transverse wrist crease (the location of HT7), on the radial side of the flexor carpi ulnaris tendon.
HT6 calms the Spirit, clears deficiency Fire, and stops sweating. Common clinical indications include chest pain, fullness in the chest and hypochondrium, inability to bend forward or backward, difficulty swallowing, excessive thirst, coughing up foul-smelling pus, rebellious cough with excessive saliva, heart pain, fright palpitations, bone-steam fever, night sweats, sudden loss of voice, nosebleed, vomiting blood.
Perpendicular or slightly oblique proximal insertion, 0.3-0.5 cun deep, avoiding the ulnar artery and nerve.
HT6 is a point on the Heart Channel of Hand-Shaoyin Meridian (Shǒu Shàoyīn Xīnjīng).