Liver Meridian

Dadun LR1 : Nomenclature, Location, Function, Indication



Da: big Dun: thickness
“Da” refers to the big toe. Dadun is on the lateral aspect of the big toe, where the muscle is thick.


On the lateral side of the big toe, approximately 0.1 cun from the corner of the nail.


  • Regulates menstruation (regulates chong and ren channels, clears heat in blood).
  • Regulates lower burner (affects flow of qi, urinary bladder problems, prolapse of uterus).
  • Returns Yang (loss of consciousness).

Indications of Dadun:

  • Dadun is benefitial for reproductive system problems (regulate Qi and blood, regulate LIV).
    • Female: irregular menstruation, dysmenorrhea, amenorrhea.
    • Male: seminal emission.
  • Problems along LIV channel: vertex, throat, chest, hypochondriac, lower abdomen (side), genital, lower extremities.
  • Mental problems (calm “shen”): mania, depression, insomnia, dream disturb sleeping, epilepsy.
  • Lower burner problems: Hernia, amenorrhea, uterine bleeding, prolapsed uterus, enuresis, difficulty in urination.


Shallow puncture 0.1 – 0.2 cun.
Prick with a three-edged needle to induce bleeding.


Jing-Well Point
Entry point

Read about other points of Liver Meridian:

LR2-Xingjian-行间    LR3-Taichong-太冲    LR4-Zhongfeng-中封    LR5-Ligou-蠡沟    LR6-Zhongdu-中都   LR7-Xiguan-膝关    LR8-Ququan-曲泉    LR9-Yinbao- 阴包   LR10-Zuwuli-足五里    LR11-Yinlian-阴廉    LR12-Jimai-急脉    LR13-Zhangmen-章门    LR14-Qimen-期门


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.