Xiaohai SI8 : Nomenclature, Location, Functions, Indications



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

Dr. Ishwar Gyawali

Dr. Ishwar Gyawali is Consultant Acupuncturist and Ayurveda Physician from Kathmandu, Nepal. He had completed BAMS (Bachelor of Ayurveda Medicine and Surgery), a five and half year course on Ayurveda Medicine from Kirtipur Campus affiliated to Tribhuvan University ,Institute Of Medicine, Nepal under scholarship in 2011. He had completed his MD in TCM from Nanjing University Of Chinese Medicine in 2016 under scholarship of Ministry of Education, Nepal. With an experience of Serving for Government of Nepal for 2 years and private practise for more than 5 years, he has sound knowledge in Ayurveda as well as Chinese Medicine. He is a registered Doctor in NAMC (Nepal Ayurveda Medical Council ) both as a physician as well as TCM/Acupuncture Specialist.