SJ3 (Sanjiao 3) - Acupuncture Point Information

Chinese Name: Zhongzhu
English Name: Middle Island

Location: With the hand in pronation (palm downwards), this point is on the dorsum of the hand between the 4th and 5th metacarpal bones, in the depression proximal to the metacarpophalangeal joints.


Shu-Stream point of the Sanjiao channel.


Facilitates the circulation of Qi, benefits the ear, clears Heat, rules disorders of back and shoulders, powerful sedative effect, good point for acute sprain of lower lumbar (needle on the same side).

Primary Indications:

Headache, redness of eyes, deafness, tinnitus, sore throat, pain in elbow and arm, stiff fingers.

Secondary Indications:

Febrile diseases.

Tertiary Indications:

Pain in shoulder and back, dizziness.

Other Indications:

Blurred vision, hypertension, white membrane covering conjunctiva, intercostal neuralgia.


This information is from the book Acupuncture Point Dynamics and has been used with permission from the author John McDonald.

View other points on the Sanjiao channel:

(SJ1, SJ2, SJ3, SJ4, SJ5, SJ6, SJ7, SJ8, SJ9, SJ10, SJ11, SJ12, SJ13, SJ14, SJ15, SJ16, SJ17, SJ18, SJ19, SJ20, SJ21, SJ22, SJ23)

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