水分 Shuifen
“Water Divide” · CV9
Conception Vessel · 9 of 24
Where. On the midline of the belly, one thumb-width above the navel.
For. Belly pain, loose stools, puffy swelling.
Press. Gentle with the fingertips, about a minute.
水分，在下脘下一寸，臍上一寸按 · Press with me
Six slow breaths
About a minute. Press as you breathe out, ease as you breathe in.
鄰 · Neighbouring leaves
Where Shuifen Sits on the Abdomen
The dataset places Shuifen on the upper abdomen, on the anterior midline, one cun above the centre of the umbilicus. Unpacked, that sentence says three things at once. Upper abdomen sets the region: the stretch of belly between the navel and the arch of the ribs, not the lower pelvic basin. Anterior midline pins the point to the body’s vertical centreline, the seam that runs from the throat notch, down across the breastbone, and onward along the soft front wall of the belly. And one cun above the centre of the umbilicus supplies the anchor measurement: a cun is the traditional proportional unit of Chinese point-location, taken from the person being examined rather than from a ruler, and for most adult hands it corresponds to roughly one thumb-width. Above always means toward the head, so the search starts at the hollow of the navel and climbs straight toward the breastbone.
What lies beneath deserves a word before any pressing begins. Unlike points padded over bone along the limbs, the midline of the belly is soft country nearly all the way down: skin, a variable layer of fat, the shallow seam where the paired muscles of the abdominal wall meet, and then the thin lining of the abdominal cavity itself. There is no rib or ridge beneath Shuifen to back a fingertip, which is one reason the tradition treats midline abdominal points with particular gentleness — and part of the geography behind the classical caution attached to this point, discussed fully below. For locating purposes the softness helps rather than hinders: the midline seam traces easily under a fingertip, rising faintly as the breath arrives and settling as it leaves, and the point waits near the navel end of that seam.
Two neighbours bracket Shuifen and confirm the address. Directly below, at the very centre of the umbilicus, sits Shenque (CV8), whose recorded location is the navel itself — a convenient landmark even though home care leaves that spot untouched. One proportional unit higher still lies Xiawan (CV10), recorded two cun above the centre of the umbilicus. The vertical order therefore reads: navel, then Shuifen one thumb-width up, then Xiawan another thumb-width beyond. All three stand on the same midline because all belong to the Ren vessel — the channel classical maps draw running straight up the front of the body, and which the site’s records pair with the water phase. A fitting home, as we shall see, for a point named Water Divide.
A Self-Palpation Walkthrough
Settle in first, because a guarded belly hides landmarks. Lie on your back with knees bent and feet flat, or recline against cushions until the abdominal wall softens under your hands. Warm your fingers if they run cold — chilled skin flinches. Find the exact centre of the navel with an index fingertip, then rest two fingertip pads side by side just above the upper rim of the navel, straddling the midline so neither side takes more weight. From there, glide straight up the body’s centreline — toward the breastbone, never sideways, never slanting — for about one thumb-width, the width of the creased joint of your own thumb. Where the pads settle, near the top of that measured inch, is the neighbourhood of Shuifen.
A few quiet confirmations earn trust before any pressure. Keep contact feather-light and breathe slowly: the belly rises beneath still fingertips on each inhale and sinks on the exhale, and the true midline rides that movement dead-centre. Many people notice a faint, dull awareness — a mild heaviness or warmth — when centred precisely, and little sensation half a width away on either side. Check the brackets next. Slide straight down and you should meet the rim of the navel almost at once; travel a further thumb-width up the same line and you approach the territory of Xiawan (CV10). When both ends of the journey land where described, the middle stop can be trusted.
The usual mistakes are easy to name. Drifting off the centreline comes first — bellies curve, and a searching finger follows the curve — so return to the visual plumb line from navel toward the breastbone whenever unsure. Measuring too eagerly upward lands you nearer Xiawan; remember that Shuifen hugs the navel end of the stretch. Searching right after a heavy meal, or on a tense, bloated day, blurs every landmark, and nothing about the search needs force anyway. Losing the thread is remedied simply: lie back, find the navel again, and measure once, slowly.
Reading the Name: Water Divide
The name is a small piece of hydraulic engineering. Shui 水 means water, plain and elemental. Fen 分 means to divide, to separate, to part into channels. Read together, Shuifen is Water Divide — the watershed point. Classical commentators understood the upper abdomen around this spot as terrain where fluids part ways: what the body keeps and uses flows in one direction, and what it releases moves in another. The image is not decorative. Traditional teaching pictures the middle trunk as busy country where food and drink are received, sorted, and dispatched, and naming a point Water Divide flags it as a station where that sorting happens — or, when movement stalls, where the congestion shows first.
The fluid theme runs through the whole record of the point. The classical writings describe fluids that moisten and nourish the body, and disorders of lingering, swelling, and scanty passing when that movement stalls; Shuifen’s traditional indications, listed below, gather precisely such entries — edema among them, retention of urine among them. The channel deepens the picture. The Ren vessel runs up the midline of the front of the body and, in the traditional summary the site carries, unites all the yin meridians; the registry pairs it with the water phase. A water-named point standing on a water-paired vessel made the divide reading difficult for classical writers to resist.
Pinyin renders the name Shuǐfēn, and the tones deserve character-by-character care. Shui 水 carries the third tone, the dipping tone that falls and rises again like a slow nod. Fen 分 carries the first tone, held high and level — the reading it takes as a verb meaning to divide. The same character shifts to a fourth tone elsewhere, in words for portions and duties, but the divide sense keeps it level here. The hanzi pair 水分 is spare enough to memorise at a glance, and like so many point names — gates, valleys, courtyards — it compresses a working theory of the body into two characters of imagery. The name tells you what the tradition watched for at this spot: movement, parting, flow.
Traditional Indications, Explained
The dataset’s recorded actions read: diarrhoea, abdominal pain, regurgitation, vomiting of food, edema, retention of urine, and stiffness of the lower back and spine. Framed as tradition rather than promise, the first four form a digestive cluster. Classical practice grouped complaints of sour rising, unsettled stomach, and loose stool around the middle of the trunk, understanding them as qi failing to descend and fluids failing to be sorted; a midline point just above the navel stood squarely inside that discussion, and the old literature reaches for Shuifen repeatedly within it. Describing this is describing how the tradition reasoned — not claiming that pressing the point settles a stomach today.
The fluid cluster follows the name directly. Edema — swelling the tradition attributed to water pooling where it should not — and retention of urine were both read as failures of the divide: fluid arrived but was not separated, kept, and dispatched. Classical texts ranked urinary retention among the urgent complaints, and modern readers should rank it higher still: inability to pass urine calls for prompt medical attention, full stop, whatever else self-care may offer. The traditional frame explains why this point appears beside those entries in the record; the advice to seek real medical help belongs to this page regardless of frame.
One entry resists a tidy story: stiffness of the lower back and spine. On a flat map a midline belly point sits far from the lumbar back, and the classical grouping does not arrive with the step-by-step reasoning a modern reader might want — some links in the old records travelled by internal pathways and inherited clinical habit rather than by argument. We report the entry as recorded rather than manufacture a mechanism for it. And the standing caveat repeats plainly: these are the traditional uses documented in a licensed dataset and classical literature, offered for cultural and historical understanding. They are not claims that acupressure treats disease. Where modern research touches self-applied pressure at all, reviews suggest effects are modest and context-dependent, and evidence specific to any single point remains thin.
Self-Care Acupressure at Home
With the point located by the walkthrough above, keep everything small. Rest two or three fingertips together across the midline so the group straddles the seam evenly, and begin with contact alone for a few easy breaths. Then add small, slow circles, letting the skin glide over the tissue beneath: pressure should register as pleasant dullness or gentle warmth, never sharpness, and the belly should stay soft — favour the exhale, when it naturally yields. A common home rhythm is one to three minutes at a sitting, once or twice daily, leaving a generous gap after large meals so the abdomen is neither full nor actively complaining. Because Shuifen stands alone on the midline there is no left–right pair to alternate; evenness across the seam replaces symmetry between sides.
Quality outranks duration here more than almost anywhere on the map. This is soft terrain over the abdominal cavity, so the entire vocabulary of the practice stays light: pads rather than tips, circles rather than jabbing, no tools, no devices, no leaning body weight through the wrist. If anything sharp, electric, or nauseating surfaces, stop at once and let the day’s practice end there. People who keep the routine tend to anchor it to something already steady — morning washing, an evening wind-down — because consistency, not intensity, is what self-care traditions actually reward. A minute of unhurried attention daily teaches more than a forceful quarter-hour attempted weekly.
Treat the exercise as a pause that pays attention, not a treatment session. Across weeks you may notice the belly feels less guarded, that breathing drops into it more easily, or simply that you have spent ninety seconds a day listening to your own middle. Every one of those outcomes sits comfortably inside the honest scope of self-acupressure. What sits outside it is escalation — pressing harder, longer, or deeper to force a result, especially over an organ cavity. When curiosity pulls that way, return to lightness, or set the practice aside for the day. In the old image, the divide works by patient separation, never by force.
Cautions and Safe Practice
This point carries a stronger classical warning than most, and it is preserved verbatim in the licensed record shown on this page: Shuifen is classically recorded as not to be needled, and where modern professional texts permit any engagement at all, they hold it strictly superficial and under strict asepsis. A restriction written that firmly ranks the spot among the delicate abdominal points, and it should shape home behaviour too — though reassuringly. Home acupressure involves no needles and never will; the discipline it owes this record is simpler: purely surface contact, light hands, and an early exit at the first sign of protest from the belly.
The practical rules follow from the geography. Skip the point entirely during any acute abdominal complaint — unexplained pain, active vomiting, diarrhoea with blood or fever — and during any difficulty passing urine; all of these belong to medical assessment, not to a pressure routine. Leave it alone over broken or irritated skin, after recent abdominal surgery, and wherever a hernia has been diagnosed, unless a clinician has cleared ordinary activity. Anyone pregnant should ask a qualified practitioner before adding any new point work around the abdomen. During ordinary sessions, sharp or sickening sensation means stop immediately: mild dullness is the ceiling, not the starting bid.
And the wider rule stands over everything: this page is educational, and self-acupressure is comfort care, not diagnosis or therapy. Seek prompt medical help — not a longer pressing session — for persistent or worsening digestive symptoms, blood anywhere it should not be, fever with belly pain, trouble urinating, or any symptom that frightens you. Persistent complaints belong with a licensed practitioner, medical or East Asian medical as suits the situation. The old watershed imagery is elegant, but the safest thing Shuifen offers most people is a calmer acquaintance with their own middle — met gently, and left respectfully alone whenever the body objects.
Shuifen, Water Divide, rests on the midline of the upper abdomen, one proportional unit above the navel. Tradition made this a place where fluids part ways, reaching for it when digestion soured or water seemed to linger in the body. This guide walks through finding it by touch, pressing it gently, and why its classical record asks for unusual respect.
Cautions from the classical sources
- Classical texts forbid needling here; where modern practice uses it, keep to a shallow 0.3–0.5 cun with strict asepsis.
Self-care limits
Frequently asked
- How do I find Shuifen without knowing anything about cun?
- Let the navel do the measuring. Lie back, find the exact centre of the navel, place your fingertips just above its upper rim, and glide straight up the midline — toward the breastbone, not sideways — about one thumb-width. The soft spot you settle on, bracketed by the navel below and further midline above, is where the dataset places Shuifen. Cun simply writes the same landmark sequence in proportional language.
- The classical record says this point was not to be needled — is pressing it safe?
- That restriction addresses professional needling, a category home acupressure never enters; no needles belong in self-care anywhere on the body. What remains worth inheriting is the respect behind the ruling: this is soft midline territory over the abdominal cavity. Light fingertip circles on the surface fit that spirit; force, tools, and deep driving pressure do not. Stop on any sharp or sickening sensation, and skip the point entirely during acute abdominal symptoms.
- What did classical practice use Shuifen for?
- The traditional record lists diarrhoea, abdominal pain, regurgitation, vomiting of food, edema, retention of urine, and stiffness of the lower back and spine. The name explains much of the list: classical writers read the point as the watershed where fluids separate, so fluid-related entries cluster there alongside the digestive ones. These are traditional frameworks for understanding the body, documented for context — not evidence-backed treatment claims.
- Why does the Ren vessel matter for a point like this?
- Shuifen belongs to the Ren, or Conception Vessel — the channel classical maps draw running straight up the midline of the front of the body, uniting all the yin meridians in the traditional summary the site carries. Its points share that one midline address, and classical teaching traditionally assigned the vessel nourishing, fluid-tending roles; the registry pairs it with the water phase. A point named Water Divide standing on that particular channel struck classical writers as a natural pairing.
- Can acupressure at Shuifen replace seeing a doctor about stomach trouble?
- No. Self-acupressure is a comfort practice, not a diagnostic tool, and digestive symptoms carrying red flags — blood in vomit or stool, fever, severe or worsening pain, trouble passing urine, symptoms lasting beyond a couple of weeks — call for professional assessment promptly. Picture two floors of one building: daily self-care lives downstairs, and clinical medicine keeps the consulting room upstairs for symptoms that persist or escalate. Neither substitutes for the other.
Sources
- 01WHO Standard Acupuncture Point Locations in the Western Pacific Region (2008), World Health Organization — nomenclature conventions.
- 02A Manual of Acupuncture, Peter Deadman, Mazin Al-Khafaji and Kevin Baker — point-name tradition, water-divide lore, and vessel context.
- 03aijiu-mpvue (MIT License) licensed dataset, entry for CV9 Shuifen — location, actions, and caution record.
Last reviewed
牌記This leaf, for machines
Old books ended with a colophon saying who printed them. Every leaf here carries the same facts as structured data for agents and search, with no layout in the way.
- GET /en/points/cv9/leaf.json
- GET /zh-hant/points/cv9/leaf.json
- GET /zh-cn/points/cv9/leaf.json
- /llms.txt — the index of every leaf
- JSON-LD in the page: MedicalWebPage, MedicalEntity and FAQPage
{
"id": "CV9",
"name": {
"en": "Shuifen",
"gloss": "Water Divide",
"zh-Hant": "水分",
"zh-Hans": "水分"
},
"channel": {
"id": "CV",
"order": 9,
"of": 24
},
"location": {
"text": "On the midline of the belly, one thumb-width above the navel."
},
"for": [
"belly pain",
"loose stools",
"puffy swelling"
],
"press": {
"text": "Gentle with the fingertips, about a minute.",
"seconds": 60
},
"cautions": [],
"source": "Zhenjiu Jiayi Jing, book 3",
"url": "https://acupoints.com/en/points/cv9",
"lastReviewed": "2026-08-25"
}