Stomach 31, Abbreviated as ST 31, Transliterated Biguan in Chinese, Thigh Gate in English.

ST 31 Acupuncture Point Location:
On the anterior aspect of the thigh, on the line connecting the anterior superior iliac spine and the lower lateral border of the patella, level with the lower border of the symphysis pubis, in the depression on the lateral side of muscle sartorius when the thigh is flexed.

ST 31 Acupuncture Point Indications:
Muscular atrophy, weakness, numbness and pain of lower extremities, apoplexy, hemiplegia. (Bi-Syndrome and Wei Syndromes)
Coldness and pain of the lower back and knee
ST 31 Acupuncture Point Benefits:
Frees obstructions in the meridian, dispels Wind-Damp, and alleviates pain.