ST 31 - Acupuncture Point - Biguan

  • English Name:  Thigh Joint
  • Pinyin Name:  Biguan
  • Chinese Character:  髀關
  • On 2 lines connecting the ASIS and the superiolateral corner of the patella and level with the lower border of symphysis pubis in a depression with thigh flexed lateral to the sartorius muscle.
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  • ST 31, ST 32 & ST 33 are all useful for Bi-Syndromes a/or Wei Syndromes (flaccidity or weakness) of the lower legs.
  • Pain in the thigh, muscular atrophy/weakness, knee pain, low back pain.

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The (ST) Stomach Meridian has 45 points:

Nearby Acupuncture Points and Usages

GraphicPointClinical Functions


CV 2
Curved Bone
  • Generally useful for Deficiency and Cold-Type Genito-urinary issues - retention of urine, dribbling urine, frequent urination.
  • Main point for feminine discharges, "red and white" discharges (leukorrhea) along with other sexual/menstrual issues - dysmenorrhea, irregular cycles.
  • Male sexual issues such as impotence a/or seminal emission as well as any problems with the genitals (dryness, itching, dampness, pain).  
SP 12
Surging Gate
  • Used for a variety of urinary disorders (retention, painful) due to it's functions of draining dampness, clearing heat and regulating urination.
  • Abdominal pain, hernia, hemorrhoids by regulating qi and invigorating blood.


LV 10
Foot Five Li
  • Local point.


LV 11
Yin Corner
  • Local point.
  • The LV 9 - LV 11 area may be reactive in women with fertility problems - moxa at LV 11 may be helpful.


GB 30
Jumping Round
  • Sciatica, pain, numbness, atrophy of lower back, hip, buttocks a/or lower limbs.
  • Bi (painful obstruction) or Wei (flaccidity, weakness) of the leg.
  • Urticaria, red, itchy skin issues from wind

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