SI8 (Small Intestine 8) - Acupuncture Point Information

Chinese Name: Xiaohai
English Name: Small Sea; Small Intestine Sea

Location: With the arm flexed, this point can be found between the olecranon of the ulna and the medial epicondyle of the humerus.


He-Sea point of the small Intestine channel, reducing point of the Small Intestine channel (Mother/Son).


For disorders of the Small Intestine, use the Lower He-Sea point for the Small Intestine channel, Xiajuxu (ST39).

Primary Indications:

Swelling of the cheek, pain in nape and submandibular region, pain in shoulder/scapula/elbow and lateroposterior aspect of arm.

Secondary Indications:


Tertiary Indications:

Dizziness, tinnitus/deafness, toothache, psychosis, lower abdominal pain.

Other Indications:

Chorea, swelling of neck, painful tumour of neck with shivering, neuralgia or paralysis of ulnar nerve, swelling of elbow and arm, spasms and paralysis of upper arm and neck, epicondylitis, elbow joint arthritis, insensitivity of arm, rheumatism (Bi syndrome), neuralgia of lumbar region, fever with sensation of cold, yellow sclera, blepharitis.


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 Small Intestine channel:

(SI1, SI2, SI3, SI4, SI5, SI6, SI7, SI8, SI9, SI10, SI11, SI12, SI13, SI14, SI15, SI16, SI17, SI18, SI19)

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