肝俞 Ganshu
“The Liver’s Transport” · BL18
Foot Taiyang · 18 of 67 · back-shu of the liver
Where. Two bumps below the shoulder-blade tips (below the ninth bump from C7), two finger-widths to each side.
For. Aching under the ribs; red eyes; back ache.
Press. Ask a partner to press with a thumb, or lean on a soft ball against a wall, a minute.
肝俞，在第九椎下，兩傍各一寸五分按 · Press with me
Six slow breaths
About a minute. Press as you breathe out, ease as you breathe in.
鄰 · Neighbouring leaves
Where Ganshu Sits on the Upper Back
The dataset places Ganshu on the back, below the spinous process of the ninth thoracic vertebra, 1.5 cun lateral to the posterior midline — one on each side of the spine. Unpacking the phrases makes the spot findable. The spinous processes are the chain of rounded ridges felt straight down the middle of the back; the ninth thoracic vertebra sits in the mid-back, roughly level with the lower sweep of the rib cage, and below its process means in the soft tissue immediately beneath that ridge. A cun, meanwhile, is the traditional measuring unit of Chinese point-location: proportional lengths taken from the person being examined rather than read from any ruler, so the width of your own thumb counts as roughly one cun. One and a half cun therefore amounts to about a thumb-width plus half again — conveniently close to the combined span of the index and middle fingers held together side by side, a comparison traditional location practice itself uses.
The terrain under the fingertips here is friendly but deserves honesty about what it shelters. Ganshu occupies one of the twin muscular grooves that run parallel to the spine, formed by the long muscles that hold the back upright. Beneath them lie the rear wall of the rib cage and the layered muscles of the trunk, and at this height the trunk wall guards the upper abdominal organs — on the right side, the liver’s upper portion reaches up under the lower ribs. That geography is precisely why the licensed record warns professionals about deep work at this point, and why home practice keeps its ambitions modest: everything worthwhile about self-acupressure happens within the first few millimeters of surface, in skin and superficial muscle, well short of anything delicate.
It helps to picture the neighborhood as a whole. Running down each flank of the spine, classical texts describe the bladder channel descending from the head and dividing on the upper back into paired lines that travel beside the spinal column before continuing over the lower back toward the legs — the body’s longest pathway. Along the inner of these lines stands a celebrated row of stations, one assigned to each of the stored organs: the diaphragm’s station just above at BL17, the liver’s here, and the gallbladder’s just below at BL19. Ganshu takes its place in that orderly procession like a plaque on a ministerial row of offices — which is nearly how classical teaching describes it.
A Self-Palpation Walkthrough
Because the ninth thoracic vertebra has no nickname, most searches start from a landmark everyone can find. Sit upright on a firm chair with arms hanging loose, and slide a hand behind your back — or ask a partner — to trace the lowest tip of the shoulder blade. With the arms relaxed, that bony corner usually sits roughly level with the gap beneath the seventh thoracic vertebra, the very correspondence neighbouring pages draw upon. From there, count the ridges downward: eighth, then ninth. Immediately below the ninth ridge lies the shallow depression the location names, and moving outward from the spine’s centreline by about a thumb-width and a half — the two-fingers-together measure — brings the searching fingers into the soft muscular groove alongside. Both sides deserve the same patient exploration, since the point exists as a mirrored pair.
A few quiet confirmations separate a confident find from a hopeful guess. Compare sides with feather-light touch: many people notice a faint, dull awareness or slight warmth at the true spot and little sensation a finger-width away. Take a slow breath and let the shoulders drop — the paraspinal tissues soften under resting pads on the exhale, and the groove grows easier to read. Check the distance from the centreline on both sides; they should mirror each other closely. And mind the difference between structures: the ridges themselves are bone, the valley between them is the spine’s midline, and Ganshu stands neither on the ridge nor in the valley but out in the muscle column beyond them. If your finger rests on bare bone, slide outward until the muscle yields.
Two slips account for most misfires. The first is hunting too high: the region near the shoulder-blade tips feels similar, and a hurried count lands one or two vertebrae early — which matters less for gentle contact than for confidence in what follows, so recount whenever in doubt. The second is mistaking the midline valley for the lateral groove; the midline is tender for almost everyone, and pressing it teaches nothing pleasant. Slow the search down and anchor it twice: once at the shoulder-blade tip, once at the ninth ridge. Landmarks do the remembering, so the searcher never has to trust luck or guesswork.
Reading the Name: The Liver’s Transport
The characters tell the story compactly. Gan 肝 names the liver itself: the character sets the flesh radical 月, marker of every organ of the body, beside 干, which supplies the sound. Shu 俞, in the vocabulary of point-naming, carries the sense of a transport or relay — classical texts describe the shu stations along the spine as places where an organ’s activity is conveyed toward the surface of the back, the way a courier station relays travelers and letters onward. Read together, Ganshu is the liver’s transport: the address on the back where the liver system delivers its business to be visited.
That relay office belongs to a larger civil service. Classical teaching assigns every one of the stored organs — heart, liver, spleen, lung, kidney, and their companions — a gathering station along the bladder channel’s inner line beside the spine, each named for its organ and standing roughly at the height where that organ presides within the trunk. Descend the spine and you pass, station by station, through the ministries of the body, which is why the back reads as a map in the old literature. There is quiet elegance in the placement too: the liver belongs to the wood phase in five-phase thinking while the bladder channel belongs to water, and water nourishes wood — so the wood organ’s banner flies from the water channel’s tallest mast, the longest pathway in the body.
Pinyin renders the name Gānshū. Both syllables carry the first tone — the steady, high, level pitch Chinese voices describe as flat — so the name rides evenly on the tongue: gan, then shu, neither rising nor dipping. The dataset records the name exactly this way, and the two hanzi 肝俞 are short enough to memorise at a glance. Like so many channel points named for architecture and travel — gates, valleys, courtyards, relays — the metaphor does real work: it says the tradition treats this spot not as scenery but as a working junction, a place where something arrives, changes horses, and moves on.
Traditional Indications, Explained
The recorded indications read: hypochondriac distending pain, jaundice, red eyes, blurred vision, spitting of blood, mania and epilepsy, and back pain. Framed as tradition rather than promise, each item opens a window onto classical reasoning. The hypochondria are the flanks — the soft territory along the sides of the trunk between the lower ribs and the hips — and classical texts describe the liver channel wrapping through exactly that country; a stuffed, dragging, distending feeling there was read as liver qi failing to move freely. Distending pain is thus a texture of discomfort, a pressure and fullness, rather than any sharp crisis — and it sat naturally at the liver’s own station on the back.
Jaundice — the yellowing of skin and the whites of the eyes — traditional medicine understood as dampness and heat smoldering through the liver and its partner the gallbladder, staining what they touched; any discussion of jaundice therefore visited the liver’s transport point. The eye complaints flow from a beloved piece of classical doctrine: the liver opens into the eyes, and the clarity of vision was thought to reflect the abundance of liver blood, which is why red, irritated, or blurry eyes gathered at this station. As for spitting of blood and the mania-and-epilepsy entries, the old records filed them among a point’s gravest associations — categories that today belong immediately and entirely to urgent medical care, recorded here strictly as history, never as suggestions for home care.
And the back pain completes the circle in the plainest way possible: the point lives on the back, over hard-working muscles that carry the torso all day, and local complaint meeting local station is the oldest logic in the tradition. It bears repeating plainly that all of the above 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. Hold the tradition lightly, and hold the safety rules firmly.
Self-Care Acupressure at Home
A back point changes the choreography of self-care, because most backs cannot see or comfortably reach their own mid-region. The kindest arrangement enlists a partner. The receiver sits astride a chair facing its backrest, forearms stacked on top, forehead resting low — a posture that lets the whole back soften. The partner locates the point by the walkthrough above, then rests the flat pads of two or three fingers — never thumbs dug in like drills, never an elbow — on each side. Begin with contact alone for a few unhurried breaths; add, if wanted, either small slow circles or steady still pressure that lets the skin glide over the tissue beneath. The honest register is pleasant dullness, warmth, or a spreading ease — never sharpness. A common rhythm is one to three minutes per side, once or twice daily, matched to the receiver’s slow exhales, both sides treated symmetrically.
Practising alone asks for humbler gestures, and humility suits this point well. Crossing the opposite hand over the shoulder reaches the area imperfectly; simpler is a warm palm laid flat against the spot while standing tall, letting warmth and slow breathing do the work fingers would otherwise attempt, or a gentle rubbing with the heel of the hand along the groove beside the spine. Warm the hands first if they run cold, because chilled muscle guards itself. Choose a quiet corner over a screen, and let the practice double as a posture pause: feet rooted, crown lifted, shoulder blades settling, five slow breaths with the palm holding its post. Quality of attention outweighs duration every time.
Treat the exercise as a small ceremony of attention rather than a treatment session. Across weeks, notice what honestly changes: perhaps the paraspinal muscles feel less braced, perhaps an afternoon slump loosens its grip when you stand and breathe with a palm at the spot, perhaps nothing shifts except that you spent three minutes attending to your own back. Every one of those outcomes fits the honest scope of self-acupressure. What does not fit is escalation — pressing harder, longer, or deeper to force a result, least of all over organ territory. When curiosity pulls that way, return to gentleness or simply stop for the day.
Cautions and Safe Practice
This point earns particular respect, and the reason stands written in the licensed record. The dataset cautions practitioners not to needle Ganshu deeply, because over-deep insertion at this site may injure the liver. The warning follows from plain geography: on the right side especially, the liver’s upper reach tucks beneath the lower ribs close to this height of the back, and only layers of muscle stand between an instrument driven inward and that organ. Professional training manages the risk with precise technique; home self-care manages it differently and far more surely — by never leaving the surface at all. Fingertip and palm contact at restful pressure engages skin and superficial muscle only, and stays categorically short of the structures the caution protects.
The practical rules gather neatly. Keep pressure light and strictly superficial; use finger pads or palms, never elbows, knuckles, tools, or devices. Skip the point entirely during feverish illness or exhaustion, over broken or irritated skin, and while any acute back problem is inflamed; be cautious after recent back injury or spinal surgery until a clinician clears ordinary activity. Stop at once on sharp, electric, or radiating sensation and do not retry that day. Pregnant readers, and anyone living with liver disease or taking blood-thinning medication, should consult a qualified practitioner before adding any new point practice. None of these limits diminishes the practice — they are what make a daily habit sustainable enough to matter.
Above everything stands the wider rule: this page is educational, and acupressure is self-care, not diagnosis or therapy. Seek prompt medical care — not a pressure routine — for the company of symptoms history parked under this point’s name: yellowing of skin or eyes, or dark tea-coloured urine; spitting or coughing of blood; a seizure, or sudden severe confusion; red painful eyes or vision changes that persist; back pain accompanied by numbness, weakness, fever, or loss of bladder or bowel control. Persistent symptoms belong with a licensed practitioner — Western medical or East Asian medical, as suits the complaint. The relay-station imagery is charming, but the surest gift Ganshu offers most people is a kinder acquaintance with their own back — tended lightly, and never at the expense of good judgment.
Ganshu, the Liver’s Transport, rests on the upper back beside the ninth thoracic vertebra, where classical teaching gathers the liver’s activity along the bladder channel. Old practice reached for it when flank fullness, jaundiced colouring, or irritated eyes weighed on a person. This guide walks through finding it by touch and pressing it safely.
Cautions from the classical sources
- Keep insertion shallow; going too deep can damage the liver.
Self-care limits
Frequently asked
- How do I find Ganshu without knowing anything about vertebrae?
- Start from the shoulder blade instead. With arms hanging relaxed, trace the lowest tip of the shoulder blade — it usually sits roughly level with the seventh thoracic vertebra. Count two more bony ridges downward to reach the ninth, settle into the hollow beneath it, then step outward from the spine by the width of your index and middle fingers held together. That soft muscular groove, mirrored on both sides, is the neighborhood the dataset describes. Whenever the count wavers, return to the shoulder-blade tip and begin again.
- Is pressing Ganshu myself actually safe?
- Gentle fingertip or palm pressure held on the surface is generally reasonable self-care for healthy adults, because it engages skin and superficial muscle far short of the organs the dataset’s caution protects. The recorded danger concerns deep professional techniques that reach inward toward the liver — a category home acupressure never approaches. Respect the stop signals all the same: sharp pain, electric or radiating sensation, or discomfort that worsens all mean finish immediately and try again another day, lighter.
- What did classical practice use Ganshu for?
- The traditional record lists hypochondriac distending pain, jaundice, red eyes, blurred vision, spitting of blood, mania and epilepsy, and back pain. Classical texts describe it as the back-shu station where the liver’s activity gathers beside the spine, which explains why flank, eye, and jaundice-related complaints dominate its historic portfolio. Those are traditional frameworks for understanding the body, documented for cultural context — not evidence-backed treatment claims, and several listed categories describe emergencies in modern terms.
- Why does a liver point live on the bladder channel?
- Classical teaching assigns each stored organ a gathering station along the bladder channel’s inner line beside the spine — the row of back-shu points — regardless of which phase the organ itself belongs to. The bladder channel is the body’s longest, running from the inner eye over the head and down the back toward the little toe, so it serves as the trunk road past every ministry. Five-phase thinking even finds poetry in it: water nourishes wood, so the wood-phase liver posts its banner along the water-phase channel’s mast.
- Can acupressure at Ganshu replace seeing a doctor about jaundice or eye problems?
- No, emphatically not. Yellowing of skin or eyes, dark urine, blood spat or coughed up, seizures, or persistent changes in vision are signals that need professional assessment promptly — some urgently. Think of the two as different floors of the same building: daily self-care lives downstairs, and clinical medicine keeps the consulting room upstairs that you visit when symptoms persist, worsen, or frighten you. A comfort practice cannot diagnose, and delaying real assessment is the one outcome no tradition recommends.
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 — back-shu point theory, point-name tradition, and channel context.
- 03aijiu-mpvue (MIT License) licensed dataset, entry for BL18 Ganshu — location, point class, 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/bl18/leaf.json
- GET /zh-hant/points/bl18/leaf.json
- GET /zh-cn/points/bl18/leaf.json
- /llms.txt — the index of every leaf
- JSON-LD in the page: MedicalWebPage, MedicalEntity and FAQPage
{
"id": "BL18",
"name": {
"en": "Ganshu",
"gloss": "The Liver’s Transport",
"zh-Hant": "肝俞",
"zh-Hans": "肝俞"
},
"channel": {
"id": "BL",
"order": 18,
"of": 67
},
"location": {
"text": "Two bumps below the shoulder-blade tips (below the ninth bump from C7), two finger-widths to each side."
},
"for": [
"aching under the ribs",
"red eyes",
"back ache"
],
"press": {
"text": "Ask a partner to press with a thumb, or lean on a soft ball against a wall, a minute.",
"seconds": 60
},
"cautions": [],
"source": "Zhenjiu Jiayi Jing, book 3",
"url": "https://acupoints.com/en/points/bl18",
"lastReviewed": "2026-08-24"
}