Chengshan BL57 : Nomenclature, Location, Function, Indication, Method

The two bellies of the gastrocnemius muscle are so prominent as a mountain, chengshan, BL57 is below them, as sustaining the mountain.


Cheng: sustain              Shan:mountain
The two bellies of the gastrocnemius muscle are so prominent as a mountain, Chengshan, BL57  is below them, as sustaining the mountain.

Point: BL57
Chinese Name: 承山
Name: Chengshan
English Name/Meaning: Support the Mountain
Pinyin: chéng shān
Han Geul 한글: seung san 승산
Romaji: shō zan
Vietnamese:Thừa sơn


In the center of the posterior aspect of the lower leg, between Weizhong(BL40) and Kunlun(BL60), in the triangle depression formed below the bellies of the gastrocnemius muscle when the foot is stretched.


  • Relaxes the sinew( spasms of leg, low back pain, sciatica).
  • Harmonizes the intestine and eliminates haemorhoids.


  • Chengshan is main point to relieve cramp of the venter of gastrocnemius muscle.
  • Constipation, collapse of the internal piles, collapse of anus, hemorrhoids.


Puncture perpendicularly 1-2cun.

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.