Triple Energizer Meridian

Chimai (Qimai) TE18: Nomenclature, Location, Functions, Indications



Chi: convulsion       Mai:collateral

Chimai is behind the ear, where the collaterals are distributed, and is good for treating convulsions. Also called as Qimai.

Point: TE18
Chinese Name: 瘛脉
Name: Qimai
English Name/Meaning: Spasm Vessel
Pinyin: qì mài
Han Geul 한글: gye maek 계맥
Romaji: kei myaku(?)
Vietnamese: Khế mạch


Posterior to the ear, in a small depression on the mastoid bone, 1/3 of the distance along a curved line drawn from SJ17 to SJ20 following the line of the rim of the ear.

Functions and Indications of Chimai /qimai:

  • Dispels heat, opens channels and calms spasm so is beneficial in tetanus, neck rigidity, infantile convulsion.
  • Benefits the ears so is beneficial for headache, tinnitus, deafness.


Subcutaneous insertion along the course of the channel 0.3 to 0.5 cun, or prick with a three edged needle to cause bleeding.


This is a painful point, more powerful than SJ17 (Yifeng).


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.