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ACUPUNCTURE

Yin Xi: TCM Acupoint Guide

YINXI
By the TCMHH editorial team Not medically reviewed How we work Updated 6 Oct 2026
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NAME

YINXI

LOCATION

When the palm faces upward, the point is on the radial side of the tendon of the m. flexor carpi ulnaris, 0.5 cun above the transverse of the wrist.
Located 0.5 cun proximal to HT-7 Shenmen, on the line connecting HT-7 Shenmen to HT-4 Lingdao.

NEEDLING

Puncture perpendicularly 0.3 to 0.5 cun.
Moxibustion is applicable.
Straight insertion, 0.5 to 1 cun.
Perpendicular insertion, 0.3 to 0.5 cun, or oblique proximal or distal insertion 0.5 to 1 cun.

COMMAND FUNCTIONS

Xi-Cleft (Accumulation) point

ACTIONS

Nourishes Heart Yin
Regulates Heart Blood
Clears Heat
Stops sweating
Calms the Shen
Clears Heart Fire
Moderates acute conditions
Clears Deficiency fire

INDICATIONS

Night sweats
Dry mouth
Insomnia
Mental restlessness
Cardiac pain
Hemoptysis
Epistaxis
Sudden loss of voice
Stiffness and pain along the Heart channel due to Stagnant Heart Blood
Stifling sensation in the chest
Sudden chest pain
Aphasia
Pulmonary tuberculosis with night sweats due to Yin Deficiency
Spontaneous sweating
Trembling with fear
Stomach hemorrhage
Leukorrhea
Chills
Profuse perspiration with fear of Cold
Sudden atony of the tongue
Fullness in the chest
Counterflow inversion fright Qi
Sudden turmoil disorder with cardiac pain
Sinusitis
Blocked nose
Hysteria
Shock
Alarm
Fear
Anxiety
Palpitations
Dizziness
Headaches
Chest pain
Sudden dumbness
Edema
Fright
Grief
Sudden irritability and rage
Bone steaming fever
Uterine inflammation
Brachial neuralgia
Disorders of Qi
Vertigo
Cholera with contractures
Unbearable stabbing pain of the Heart
Epilepsy
Hematemesis

COMBINATIONS

KI-7 Fuliu SI-3 Houxi PC-5 Jianshi LI-2 Erjian ST-45 Lidui
Night sweats due to Heart Yin Deficiency Profuse night sweating Excessive fright
PC-9 Zhongchong LIV-2 Xingjian
Heart pain with fullness and agitation and a stiff tongue Heart pain

CONTRAINDICATIONS

NOTES

This point has a strong influence on the mental state. It revitalizes Qi. This is a special point for night sweats.

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Sources and further reading

We cite classical materia medica and modern reference works. This article is health education, not medical advice.

  • Shennong Bencao Jing (The Divine Farmer's Materia Medica), Han dynasty.
  • Bencao Gangmu (Compendium of Materia Medica), Li Shizhen, 1578.
  • Chinese Pharmacopoeia, current edition — identity, quality and safety monographs.
  • NCCIH and WHO reference material on traditional medicine safety.

Spotted an error or a better source? Tell us — corrections are logged on our editorial policy page.

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