Acupuncture Points Notebook

Location Guides:

: Shangjuxu : Upper Great Void

St-37 : Foot Yangming Stomach 37

Lower He-Sea point of the Large Intestine
One of the "59 piercings" for clearing Heat in Su Wen Ch. 61

Trigger point (Travell & Simons, 1998, Trigger Point Manual; Melzack, Stillwell & Fox, 1977, Trigger Points and Acupuncture Points for Pain: Correlations and Implications, Pain 3, p3-23)

On the lower leg, 3 cun inferior to Zusanli St-36, one fingerbreadth lateral to the anterior crest of the tibia

Perpendicular or oblique insertion 1 - 1.5 cun

TCM Actions:
Reuglates the intestines and transforms stagnation
Clears damp heat and alleviates diarrhoea and dysenteric disorder
Regulates the spleen and stomach
Activates the channel and alleviates pain

TCM Indications:
  • Borborygmus, diarrhoea, diarrhoea containing undigested food, diarrhoea due to attack of cold in the winter, dysenteric disorder, heat in the Large Intestine, cold of the Large Intestine, deficiency of the Large Intestine qi, intestinal abscess, cutting pain of the intestines, constipation, abdominal pain, abdominal distension, periumbilical pain with inability to stand for long, dark urine.
  • Heat in the Stomach, deficiency and weakness of the Spleen and Stomach, insufficiency of zang qi, consumption, shortness of breath, dyspnoea with difficulty in walking, qi rushes up to the chest, fullness of the chest and lateral costal region, swelling of the face.
  • Mania, aversion to the sound of people talking.
  • Hemiplegia, leg qi, numbness and painful obstruction of the lower limb, coldness and pain of the bone marrow, weakness of the lower leg, contraction and pain of the front of the shin, swelling of the knee.

    Superficial Innervation: Lateral femoral cutaneous nerve of the calf (L4 - S1)
    Dermatome Segment: L5
    Deeper Structures: Common fibular (peroneal) nerve (L4 - S1)

    Trigger Point Associations:
    Muscle: Extensor digitorum longus
    Myotome Innervation: Common fibula (peroneal) nerve (L4 - S1)
    Pain Referral Pattern: On the lateral anterior aspect of the lower half of the lower leg and ankle, and concentrating on the lateral aspect of the dorsum of the foot, possibly extending to the 4 lateral toes.
    Indications: Strain of toe extensors

    This point is also on the 5th trajectory of the Chong mai relating to digestive functions (Yuen, 2005, The Extraordinary Vessels).


    The "59 piercings" are named in the Su Wen Ch. 61 and mentioned in Su Wen Ch. 32 and Ling Shu Ch. 23 for treating Heat diseases. This point along with Qichong St-30, Zusanli St-36 and Xiajuxu St-39 clear Heat from the stomach.

    Ling Shu Ch. 19, on the Four Seasonal Qi, recommends this point for disease in the Large Intestine with borborygmus and rushing against the chest, use this hole, Zusanli St-36 and either the diaphragm (Unschuld, 2016) or Qihai Ren-6 (Wu & Wu, 2010)


    In Tung acupuncture the Si Hua Zhong (77.09), Center Four Flowers, point is located in between this point and Xiajuxu St-39, 4.5 cun below Si Hua Shang (77.08) at Zusanli St-36, at the border of the tibia instead of one fingerbreadth lateral. It is indicated for problems of the Stomach channel including respiratory, cardiac and digestive illness as well as pain (Chu, 2015).

    Reference Notes: (click to display)