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Small Intestine Meridian (Hand Tai Yin) Points

SI-3 (Hou Xi)


Chinese Name:

Houxi 后溪

English translation:

Back Stream


When a loose fist is made, the point is on the ulnar aspect of the hand, proximal to the 5th metacarpophalangeal joint, at the end of the transverse crease of the metacarpophalangeal joint, at the junction of the red and white skin.


Shu-Stream point of the Small Intestine Meridian
Master Point of the Du Meridian (couple with UB 62)


Headache with stiff neck, red eyes, deafness, contracture of elbow.
Arm and fingers, epilepsy, malaria.
Febrile diseases, night sweats, psychosis, epistaxis, paralysis of upper extremities.
Hypertension, hysteria, membrane on the eye, intercostal neuralgia, low back pain, lower limb neuralgia, jaundice, fullness in the chest, hand tremor, common cold, plague, skin disease with itching, cold abcess.


Benefits the neck and back, activates the meridian, expels exterior Wind, regulates the Du meridian, calms the Shen, treats malaria.


SI 3 is an excellent point for neck and back issues when coupled with UB 62. Shu-Stream points are where the qi starts to pour down the meridian. They are known to alleviate heaviness and pain in the joints. On Yin Meridians, Shu-Stream points are identical to the actions of Yuan-Source points.


Perpendicular insertion .5 - 1.0 cun.

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