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Xiaohai SI8 : Nomenclature, Location, Functions, Indications

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Xiaohai SI8 : Nomenclature, Location, Functions, Indications

Xiaohai SI8 : Nomenclature, Location, Functions, Indications
November 11
12:13 2018



Xiao: small Hai: sea
Xiao refers to the small intestine meridian, and this is the He-sea point of the meridian. When the Qi and blood arrive at Xiaohai, it is just like water flowing into the sea.

Point: SI-8
Chinese Name: 小海
Name: Xiaohai
English Name/Meaning: Small Sea
Pinyin: xiǎo hǎi
Han Geul 한글: so hae 소해
Romaji: shō kai
Vietnamese: Tiểu hải


In the depression between the tip of the olecranon process of the ulna and the tip of the medial epicondyle of the humerus.


  • Removes obstructions from channel.
  • Calms the mind.
  • Resolves damp heat.

Indications of Xiaohai:

  • Headache, swelling of the cheek, pain in the nape, shoulder, epilepsy, insomnia.
  • Problems along SI channel – eyes (blurred vision, poor vision), shoulder, elbow, wrist.
  • Local disorders: elbow pain, tennis elbow, gulfer’s elbow.


  • Oblique insertion 0.5 to 1 cun.
  • Perpendicular insertion 0.3 to 0.5 cun.


  • He-sea point.
  • Son (reducing) point.


The ulnar nerve lies deep to this point.

Read about other points of Small Intestine Meridian:

SI1-Shaoze-少泽      SI2-Qiangu-前谷       SI3-Houxi-後溪     SI4-Wangu-腕骨     SI5-Yanggu-阳谷       SI6-Yanglao-养老         SI7-Zhizheng-支正       SI9-Jianzhen-肩贞        SI10-Naoshu-臑俞       SI11-Tianzhong-天宗 SI12-Bingfeng-秉風            SI13-Quyuan-曲垣        SI14-Jianwaishu-肩外俞           SI15-Jianzhongshu-肩中俞         SI16-Tianchuang-天窗         SI17-Tianrong-天容       SI18-Quanliao-颧髎         SI19-Tinggong-听宫

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