關元俞 Guanyuanshu
“Transport of the Origin Pass” · BL26
Foot Taiyang · 26 of 67
Where. One bump below the line joining the tops of the hip bones (below the fifth lumbar bump), two finger-widths from the spine.
For. Low back and tailbone ache; bloating; frequent urination.
Press. Hands on hips, press with the thumbs, fairly firm, about a minute.
Guanyuanshu, the Transport of the Origin Pass, is the last lumbar address on the bladder channel’s inner road — just above where the spine settles onto the sacrum, a thumb-and-a-half beside the central seam. Classical practice reached for it when low backs ached, bellies swelled, or water would not move as it should. This guide finds the spot by touch and presses it gently.
按 · Press with me
Six slow breaths
About a minute. Press as you breathe out, ease as you breathe in.
鄰 · Neighbouring leaves
Where Guanyuanshu Sits on the Lower Back
The dataset sets the address plainly: on the lower back, below the spinous process of the fifth lumbar vertebra, 1.5 cun lateral to the posterior midline. Unpacked for hands: the fifth lumbar vertebra is the last of the five free-moving bones of the small of the back, and its downward-pointing ridge sits just above the broad, flat plateau of the sacrum. Below that final lumbar ridge, then, and out along the muscle a thumb-and-a-half from the midline’s centre seam — there, mirrored on both sides of the spine, sits Guanyuanshu.
A cun is the traditional measuring unit of Chinese point-location: proportional lengths taken from the person being examined rather than from a ruler, so a cun at the waist of a broad-framed adult differs from a cun on a slight teenager. Self-location teaching passes along a practical rendering — the width of the index and middle fingers pressed together comes close to one and a half cun on many adult hands — helpful arithmetic, worth trusting only alongside bone. The pelvis lends the best bone of all: the catalogue itself records, for the neighbouring station Dachangshu one vertebra higher, that its level matches the highest points of the iliac crests, the topmost rims of the hip bones you can trace under your own waistband. Find those rims and you know you stand beside the fourth lumbar spine, so the search is nearly over before it begins.
The neighbourhood confirms everything. Three ridges higher, beneath the second lumbar vertebra and level with the navel, stands Shenshu (BL23); one ridge above, at that crest-top height, lies Dachangshu (BL25); below, past the sacral base, Xiaochangshu (BL27) and Pangguangshu (BL28) hold the sacrum itself, level with its first and second posterior sacral foramina. All of them line the inner of the bladder channel’s two paired routes down the back — the road the old cartography drew from the inner corner of the eye, over the head, down the whole spine to the little toe, sixty-seven stations strong, the longest channel in the body. Along that inner road, one and a half cun from the midline, tradition arranged the transports like offices along a corridor, and Guanyuanshu keeps the ground-floor office nearest the sacrum.
A Self-Palpation Walkthrough
Stand comfortably or kneel, and give the small of your back a moment to soften. Begin with the pelvis: place your thumbs or fingertips on the sides of your waist and walk them upward until each catches the topmost rim of a hip bone — the crest that flares out just under the beltline. The catalogue ties that rim height to the fourth lumbar spine, the level of Dachangshu. Walk your fingertips inward from there to the centre seam, confirm the big ridge beneath your finger, and step straight down one more ridge: that next step, the last free-moving one before the spine flattens onto the sacrum, belongs to the fifth lumbar vertebra. Settle into the soft ground just below it, then slide outward about the width of two pressed-together fingers, onto the firm muscle column that flanks the spine. That resting place — left side and right — is the address.
Confirmations cost nothing. Touch feather-light and compare sides: many people register a faint, dull awareness at the genuine spot and little sensation a thumb-width away. Shift your weight slowly from foot to foot and notice how the low-back muscles tighten and ease under still fingertips — living proof the search stayed on working muscle rather than bare bone. Check the horizontal line too: the true spot hugs the spine’s own side of the back, on the muscle column, not drifting out toward the softer flank. And lean on the neighbours as witnesses: whoever has found Dachangshu at the crest tops can trust Guanyuanshu to sit exactly one ridge lower, and whoever has found the fifth-lumbar hollow can trust the spots a thumb-and-a-half out on either side of it.
A few slips account for most mislocations. Stopping at the crest-top level itself leaves you one vertebra high, beside Dachangshu — the rims start the search, they do not finish it. Drifting outward toward the flank comes next; the correction never changes — come back toward the seam. Reading the terrain through an active muscle spasm teaches the fingers nothing; wait for the knot to loosen before searching. Forgetting the mirror pair is the quiet fourth slip — there are two Guanyuanshu, and neither substitutes for the other. When doubt outlives every test, go back to the hip-bone rims and begin again slowly; the landmarks have not moved.
Reading the Name: Transport of the Origin Pass
The name reads as geography and philosophy in three characters. Guan 關 means a pass — a mountain crossing, a bolted gate, the place where passage narrows and movement is checked. Yuan 元 means origin or source, and in classical writing it carried the idea of original qi, the foundational vitality tradition pictured gathering in the lower abdomen and across the small of the back. Shu 俞 is the suffix shared by the spine-side stations, carrying the old sense of conveying or infusing — the way water passes along a channel from reach to reach. Together the name sketches a transport standing at the pass of the origin: the deep source sending its message toward the back.
The first half of the name also echoes a famous address on the body’s front midline: Guanyuan (CV4), which the registry places on the lower abdomen, on the anterior midline, three cun below the centre of the navel. Commentators on point names have long connected the back station with its front namesake — the same office, they suggested, with a door on the belly and a window on the back — and the pairing suits a station whose recorded uses lean so plainly toward the water works of the lower body. Worth noting honestly: the dataset records no formal point-class title for this entry, so the front-and-back story lives in the name itself and in commentary tradition rather than in any label. It is heritage cartography — offered warmly for understanding, not as anatomy confirmed.
Pinyin renders the name Guānyuánshū: guan rides a high, level first tone, yuan climbs on the rising second tone, and shu settles back onto a level first tone. The hanzi trio 關元俞 stays legible at a glance — pass, origin, transport — and like so many points named for architecture and waterways, the metaphor performs real work. Passes imply checking what moves; origins imply depth of supply; transports imply delivery outward. Read together, they quietly state the doctrine: a deep wellspring below, a narrow gate, and a station on the back where the current surfaces.
Traditional Indications, Explained
The recorded indications read: lumbosacral pain, abdominal distension, diarrhoea, frequent or difficult urination, and enuresis. The first entry explains itself by pure geography. The bladder channel pours down the entire back, and its inner road runs directly across this patch of low back; the lumbosacral junction is the hinge where the mobile spine meets the fixed sacrum, the very place many backs complain first. A station planted there served its territory in the classical way — local ground treated locally — and classical teaching also regarded the loins as the dwelling place of the kidneys, giving the whole region extra weight in the old discussions.
The middle pair travels together in the traditional telling. Abdominal distension is a distinct traditional concept: a subjective tightness, swelling, or stuck quality across the belly, understood as qi failing to move freely there. Diarrhoea, in the same frame, was read as the lower body’s warmth and movement faltering — food and fluid passing through without being properly received and firmed. Why reach for a back point about belly complaints? Because of the front-and-back axis just described: tradition often treated the trunk’s front hall and back window as one room, so a station aligned with the lower abdomen stood naturally in classical conversations about the lower belly’s troubles.
The last pair turns to water. Classical physiology credited the bladder with receiving and excreting the body’s water, a work it described as a kind of qi transformation, and frequent urination or difficulty passing water were read as that work falling out of rhythm. Enuresis — involuntary passing of water, including the bedwetting of childhood — sat in the same classical chapter; today, a child’s persistent bedwetting belongs with a pediatric conversation, not a self-pressing routine. It bears repeating plainly: these five entries are traditional uses recorded in a licensed dataset and classical literature, offered for cultural and historical understanding, not claims that pressing this point 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
Once located, settle into position. Many people find kneeling easiest: sit back on your heels, rest the pads of both thumbs or curled index fingers on the two spots, and let the shoulders hang. Seated works too — lean slightly forward, reach behind with opposite hands, or invite a partner to lend their fingertips. Touch with the pads, never the tips. Begin with contact alone for a few slow breaths, then add small, unhurried circles, letting the skin glide over the tissue beneath rather than grinding against it. Pressure should register as pleasant dullness or mild warmth, never sharpness. A common home rhythm is one to three minutes per side, once or twice daily, each circle riding a long exhale out; finish by matching the other side.
Quality outranks duration, as everywhere in gentle practice. Light, patient, regularly repeated contact is the whole discipline; jabbing teaches the body nothing and only startles muscles that spend their day holding you upright. Warm cold hands first, because chilled muscle guards. Choose a quiet corner over a screen and let the session double as a pause in the day’s posture — the low back rarely receives deliberate, unhurried attention, and simply being attended to settles many people. Readers who keep routines anchor this one somewhere natural: after the evening shower, before lights-out, or during the afternoon lull. Consistency, not intensity, is what self-care traditions actually ask for.
Treat the exercise as a few minutes of attention paid to a stretch of yourself that cannot see itself. Across weeks you may notice the area feels less guarded, that you stand a little easier while you press, or simply that you spent ninety seconds tending your own foundations — every outcome fits the honest scope of self-acupressure. What does not fit is escalation: pressing harder, longer, or deeper to force a result. Curiosity pulling that way should meet the same answer every time — return to gentleness, or stop for the day. The station is not going anywhere; tomorrow it will wait in the same place above the sacrum.
Cautions and Safe Practice
The licensed record attaches no specific caution to this entry — the caution echo on this page is therefore deliberately empty — but silence describes the record; it is not a licence for enthusiasm. The good news is the terrain: for surface contact the low back is friendly country, padded on most bodies with broad, thick muscle, with nothing fragile close under the skin and the deeper structures lying well beyond anything gentle fingertip work could ever reach. Home self-care keeps it that way quite simply: by never leaving the surface at all.
For fingertip practice the rules follow plainly. Keep contact light and strictly superficial — the intention stays in skin and superficial muscle, never driving inward toward the spine. Use finger pads, never elbows, knuckles, tools, or devices. Skip the point entirely during feverish illness or any acute flare, and over broken or irritated skin. After a recent back injury or surgery, wait until a clinician clears ordinary activity. Sharp, electric, or radiating sensation means stop at once, and not again that day. Pregnant readers should consult a qualified practitioner before adding any new low-back point practice — this stretch of back asks for professional guidance first, whatever the approach.
Over everything stands the wider rule: this page is educational, and acupressure is self-care, not diagnosis or therapy. Seek prompt medical care — not a longer pressing session — for pain following a fall or accident, numbness, tingling, or weakness spreading into a leg, any loss of control of bladder or bowels, fever alongside back pain, blood in the urine, burning pain on urination with fever, inability to pass water, or diarrhoea that persists or leaves you depleted. Persistent complaints belong with a licensed practitioner, medical or East Asian medical as suits the problem. The image of a quiet transport above the sacrum is elegant, and it earns its keep; but the safest gift Guanyuanshu offers most people is a calmer acquaintance with their own low back, tended lightly and surrendered promptly whenever the body asks for more than gentleness can give.
Self-care limits
Frequently asked
- How do I find Guanyuanshu without knowing anything about cun?
- Use the hip bones as the whole map. Trace the topmost rims of your hip bones at the sides of your waist; the catalogue places Dachangshu (BL25) at exactly that height, beside the fourth lumbar spine. Step down one more ridge to the fifth lumbar’s step, settle just beneath it, then slide outward about two pressed-together fingers onto the muscle column. Dachangshu above and Xiaochangshu on the sacrum below bracket the address neatly. Cun measurements simply encode the same landmark sequence in proportional language.
- Is pressing Guanyuanshu myself actually safe?
- Gentle fingertip pressure held on the surface is generally reasonable self-care for healthy adults: the low back is well padded with muscle, and surface contact stays far short of the structures that deserve respect. This entry carries no recorded caution of its own — yet the universal rules still govern. Lightness, finger pads, no tools, and immediate stopping on sharp or radiating sensation; pregnant readers consult a qualified practitioner before beginning.
- What did classical practice use Guanyuanshu for?
- The traditional record lists lumbosacral pain, abdominal distension, diarrhoea, frequent or difficult urination, and enuresis. The name tells part of the headline: linked in commentary tradition with Guanyuan (CV4) on the front of the body, the station stood for the water works and warmth of the lower body — plus the ground it stands on, the aching lumbosacral hinge itself. Those are traditional frameworks for understanding the body, documented for context — not evidence-backed treatment claims.
- Why is a water-themed point located on the lower back?
- Classical cartography draws the bladder channel descending the back along two paired routes, and the inner line — 1.5 cun from the midline — carries the procession of transports the tradition matched organ by organ. The lower reaches of that road pass the territory tradition associated with water, warmth, and the kidneys’ dwelling in the loins, and the station’s very name pairs it with Guanyuan (CV4) on the lower abdomen. Bilateral symmetry doubles everything: there is a Guanyuanshu on each side of the spine.
- Can acupressure at Guanyuanshu replace seeing a doctor about urinary symptoms?
- No. Self-acupressure is a comfort practice, not a diagnostic tool. Burning pain on urination, blood in the urine, fever alongside urinary or back symptoms, inability to pass water, numbness spreading into a leg, or any loss of bladder or bowel control call for professional assessment promptly — think of daily self-care and clinical medicine as a home helper and a licensed guide: one tidies, the other assesses, and 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, the Guanyuan pairing, and bladder-channel context.
- 03aijiu-mpvue (MIT License) licensed dataset, entry for BL26 Guanyuanshu — location, actions, and indication 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/bl26/leaf.json
- GET /zh-hant/points/bl26/leaf.json
- GET /zh-cn/points/bl26/leaf.json
- /llms.txt — the index of every leaf
- JSON-LD in the page: MedicalWebPage, MedicalEntity and FAQPage
{
"id": "BL26",
"name": {
"en": "Guanyuanshu",
"gloss": "Transport of the Origin Pass",
"zh-Hant": "關元俞",
"zh-Hans": "关元俞"
},
"channel": {
"id": "BL",
"order": 26,
"of": 67
},
"location": {
"text": "One bump below the line joining the tops of the hip bones (below the fifth lumbar bump), two finger-widths from the spine."
},
"for": [
"low back and tailbone ache",
"bloating",
"frequent urination"
],
"press": {
"text": "Hands on hips, press with the thumbs, fairly firm, about a minute.",
"seconds": 60
},
"cautions": [],
"url": "https://acupoints.com/en/points/bl26",
"lastReviewed": "2026-08-24"
}