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Baihuanshu (BL-30), “White Ring Shu”, on the sacrum, benefits the lower burner and genitals and strengthens the lumbosacral region.
Location
On the sacrum, 1.5 cun lateral to the midline, level with the fourth posterior sacral foramen (S4).
Anatomy
On the gluteus maximus; the inferior gluteal and lateral sacral arteries; the inferior gluteal nerve.
Actions & Functions
- Benefits the lower burner and the genitals
- Regulates menstruation and stops vaginal discharge
- Strengthens the lumbosacral region
Indications
Abnormal vaginal discharge, irregular menstruation, seminal emission, lumbosacral pain, and hernia.
Needling
0.8-1.2 cun, perpendicular insertion.
Moxibustion Suitability
Suitable for moxibustion.
Point Combinations
With BL-31 to BL-34 for lower-burner and genital disorders.
Classical Text References
A point of the Bladder channel on the sacrum.
Cautions & Contraindications
None specific.
Latest Research
Latest peer-reviewed research on this point will be summarised here, with citations linked to PubMed, via our research integration.