Governor vessel

Yinjiao(GV-28/齦交) : Nomenclature, Location, Functions, Method, Precaution

Yinjiao GV28
Yinjiao GV28


Yin: gum Jiao:meet
Yinjiao is on the incisive suture of the upper gum, where the governor vessel and the conception vessel meet.
English name/meaning : Gum Union
Chinese name: 齦交
Chinese pinyin : yín jiāo
Korean name: eun gyo 은교
Japanese name: gin kō
Vietnamese name: Ngân giao


The point is located inside the mouth, in the superior frenulum, at the junction of the upper lip and the gum.


  • Insert obliquely directed superiorly 0.2 to 0.3 cun.
  • Prick to bleed.


  • Clears heat especially from mouth and eyes so is beneficial for moutha and eye disorders..
  • Pain along the centre of the face, local point.
  • Nasal congestion. Pain and swelling of the gums


Meeting point of governor vessel, conception vessel and Stomach channel.


Donot puncture the frenulum.


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.