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Xiaochangshu (BL-27), the Back-Shu point of the Small Intestine, resolves damp-heat in the lower burner, regulates the Intestines and benefits the lower back and sacrum.
Location
On the sacrum, 1.5 cun lateral to the midline, level with the first posterior sacral foramen (S1).
Anatomy
On the erector spinae and gluteus maximus; the lateral sacral artery; the dorsal rami of the sacral nerves.
Actions & Functions
- Resolves damp-heat in the lower burner (Back-Shu of the Small Intestine)
- Regulates the Intestines and the bladder
- Benefits the lumbosacral region
Indications
Lower abdominal pain, diarrhoea and dysentery, difficult or painful urination, abnormal vaginal discharge, and sacral pain.
Needling
0.8-1.2 cun, perpendicular insertion.
Moxibustion Suitability
Suitable for moxibustion.
Point Combinations
With BL-28 and REN-3 for urinary disorders.
Classical Text References
The Back-Shu point of the Small Intestine.
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.