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Shuifen (REN-9), “Water Divide”, above the umbilicus, is the principal point for regulating water metabolism and resolving oedema.
Location
On the upper abdomen, on the anterior midline, 1 cun superior to the umbilicus.
Anatomy
On the linea alba; the inferior and superior epigastric arteries; the ninth intercostal nerve.
Actions & Functions
- Regulates water metabolism and resolves oedema
- Harmonises the Intestines and the Stomach
Indications
Oedema and ascites, difficult urination, abdominal distension and borborygmus, and diarrhoea.
Needling
0.8-1.2 cun perpendicular; moxa is often preferred for oedema.
Moxibustion Suitability
Highly suitable - moxa on REN-9 is a classic treatment for oedema.
Point Combinations
With SP-9 and ST-28 for oedema.
Classical Text References
A key Ren Mai point for water metabolism.
Cautions & Contraindications
None specific (avoid deep insertion if ascites is marked).
Latest Research
Latest peer-reviewed research on this point will be summarised here, with citations linked to PubMed, via our research integration.