Kidney Meridian

Youmen KI21: Nomenclature, Location, Functions, Indications



You: hiding Men: door
Youmen pertains to the kidney meridian and is located where the lower orifice of the stomach is situated inferiorly. It is hidden in the deep part of the abdomen.
Point: KI21
Chinese Name: 幽门
Name: Youmen
English Name/Meaning: Hidden Gate
Pinyin: yōu mén
Han Geul 한글: yu mun 유문
Romaji: yū mon
Vietnamese: U môn


6 cun above the umbilicus, 0.5 cun lateral to Juque (REN14).

Functions of youmen:

  • Strengthens the middle jiao, regulates stomach and intestine.
  • Clears blockage in intestine, uterine area.


  • Vomiting, abdominal pain, Constipation.
  • Postpartum abdominal pain, infertility.


Perpendicular insertion 0.5 to 1 cun.


Meeting point of Kidney and chong vessel.


Deep needling, especially in thin subjects, will puncture the liver on the right side and the peritoneum on the left.


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.

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