璇璣 Xuanji
“Jade Pivot” · CV21
Conception Vessel · 21 of 24
Where. On the breastbone, one thumb-width below the notch at its top.
For. Cough, sore throat, a full chest.
Press. Gentle, on the breastbone, about a minute.
璇璣，在天突下一寸中央陷者中按 · Press with me
Six slow breaths
About a minute. Press as you breathe out, ease as you breathe in.
鄰 · Neighbouring leaves
Where Xuanji Sits on the Upper Breastbone
The dataset places Xuanji on the chest, on the anterior midline, one cun below the centre of the suprasternal fossa. Every clause deserves unpacking. The suprasternal fossa is the soft, visible hollow at the very base of the throat, sitting between the upward-reaching inner ends of the two collarbones and just above the top edge of the breastbone; its centre is the recorded address of Tiantu (CV22), the Heavenly Chimney. One cun below means one proportional thumb-width straight down the body’s central line from that hollow, which lands the fingertip on the flat face of the upper breastbone itself. A cun, in traditional point-location, is taken from the proportions of the person being examined rather than from a ruler, so the distance a broad-shouldered adult travels differs a little from that of a slight teenager — but the landmark sequence stays identical for every body.
What lies beneath the pad here is friendlier than at most chest points: bone. Thin skin and a modest layer of tissue lie directly over the broad upper plate of the breastbone, so light contact meets a firm, unyielding floor almost at once and reports honestly — a mild dullness, faint warmth, sometimes a curious tenderness right on the midline. The neighborhood explains why this short stretch matters in the classical record. Directly below runs a low transverse ridge where the breastbone’s upper and lower plates grew together, the sternal angle, and Huagai, the Flowery Canopy, holds the midpoint of that ridge according to its own record. Above, the hollow shelters Tiantu. The pivot therefore stands sentry on the span of midline between heaven’s chimney and the flowery canopy — between throat and chest.
The midline here belongs to the Ren vessel, which meridian records describe running up the midline of the front of the body, uniting all the yin meridians. Reading the column turns a lonely hunt into a census. Below the canopy come the Purple Palace and the Jade Hall, then Danzhong at the level of the nipple line, then the Central Courtyard nearer the bone’s far end, with the Dove Tail guarding the exit below them all. Above the pivot, only the chimney and open air. Whether the ancient namers drew a strict floor plan hardly matters; for self-location the ladder works: hollow, thumb-width, ridge — each rung checkable by touch, each rung named.
A Self-Palpation Walkthrough
Sit upright before a mirror or stand comfortably, shoulders released, so the neck and upper chest soften. Drop your chin slightly and find the hollow at the base of your throat: the soft depression felt between the two muscular cords that run down from behind either ear toward the breastbone, just above the bone’s top edge. Rest the pad of your index finger in the centre of that hollow — Tiantu’s doorstep, and a look-but-don’t-press place if ever there was one. Now walk the fingertip straight down the midline onto hard bone, about one thumb-width, until the pad rests flat on unyielding surface with no softness beneath it. That firm patch, squarely on the central line one cun below the hollow, is Xuanji’s address.
A few quiet checks settle the placement before pressing begins. The bone test first: the pad should feel flat, hard bone directly beneath; if the fingertip still senses a soft, giving hollow, it has not yet left Tiantu’s territory, so continue down until bone takes over. Next the ridge test: walk slowly farther down the midline until a low step crosses the bone under your finger — the sternal angle, where Huagai waits per its own record — then climb back up toward the hollow and stop on the span between; the point lives on that upper span. Last the breath test: breathe slowly and let the pad ride the motion — the breastbone lifts a fraction on each inhale and settles again, and a correctly placed finger feels the rhythm without pressing for it.
Three slips account for most misses. The first is lingering in the hollow itself — soft, alive with pulse and swallowing movement, best left to a feather’s greeting, because the windpipe lies close beneath it there. The second is drifting sideways off the midline onto the sloping muscle cords or the collarbones, where landmarks go vague; the point keeps strictly to the central valley between them. The third is measuring too generously and landing past the ridge, on the long lower stretch of bone — harmless territory, since the palace rooms below are worthy addresses in their own right, but not the one this page describes. When in doubt, return to the hollow, measure down one slow thumb-width, and let the bone beneath the pad deliver the verdict.
Reading the Name: Jade Pivot of an Inner Sky
The two characters carry a piece of the sky. Xuan 璇 glosses, in the dictionaries, as fine jade — beautiful stone prized since antiquity. Ji 璣 names a pearl that refuses perfect roundness, an irregular bead that old inventories counted among treasures. Joined, they form xuanji, a compound ancient usage gave both to a pair of stars in the bowl of the Big Dipper and to an early jade instrument for charting the heavens’ turning. A name like this, posted on the front of the trunk, proposes that something pivotal happens here: a hub where movement gathers and from which order radiates outward through the chest.
Traditional commentators enjoyed reading the upper trunk as an interior sky, and the neighborhood supports the conceit. At the top of the sternum, in the hollow, stands the Heavenly Chimney — the flue through which breath ascends. Just beneath it hangs the present point, the Jade Pivot; below spreads the Flowery Canopy, the ornate umbrella shading the halls that descend the breastbone — Jade Hall, Purple Palace, and the residence’s other rooms. In such a scheme the pivot is what the canopy turns on: the station where traffic between throat and chest is met and, ideally, persuaded back into order. The metaphor does real work. It records that the tradition treated this stretch as regulatory ground, not scenery.
Pinyin renders the name Xuánjī, checked character by character against the dictionaries: xuan rises on the second tone, a lifting note written with an acute accent over the a; ji holds the first tone, high and steady, marked with a macron over the i. Both readings hold. The hanzi pair 璇璣 repays a glance even for readers with no Chinese — two jade-radical characters side by side, jewels doing astronomical work — and like so many point names drawn from architecture or heavens alike, this one files information rather than decoration. It says plainly: here is where the turning happens.
Traditional Indications, Explained
The recorded indications read: cough, shortness of breath, chest pain, sore swollen throat, and fullness of the chest. Framed as tradition rather than promise, the list sketches one theme with variations: things failing to descend smoothly through the corridor between throat and chest. Cough and shortness of breath were understood classically as lung qi rebelling upward — breath that should settle and fall instead rushing up and out. Chest fullness is the old records’ term for subjective stuffing: weight, oppression, a stuck quality across the upper chest, read as qi failing to circulate freely there. The chest pain recorded alongside usually denotes the dull, blocked sensations described together with that fullness, not sudden severe pain, which has always belonged to urgent medical care.
The sore swollen throat completes the picture and explains the point’s high posting. Standing just below the hollow at the throat’s base, the pivot overlooks the doorway where inner and outer air meet, and classical practice accordingly gathered here when heat and phlegm were thought to linger along that passage, leaving the throat raw, swollen, and painful on swallowing. Upper-chest points of the Ren vessel figured regularly in such discussions precisely because the vessel runs the midline through this territory, tying throat to heart-lung region along one continuous line. Persistent sore throat, trouble swallowing, or accompanying fever today belongs with a clinician promptly — quite apart from anything a wellness page can offer.
It bears repeating plainly: these are the traditional uses recorded in a licensed dataset and classical literature, offered here for cultural and historical understanding — not claims that pressing this point treats disease, and nothing here replaces assessment by a qualified practitioner. 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
With the point found by the walkthrough above, settle in: seated, spine tall but unforced, shoulders heavy and easy. Stack the pads of your index and middle fingers and lay them flat on the spot, squarely on the midline over the bone. Begin with contact alone for a few slow breaths — attention before force — then add small, unhurried circles, letting the skin glide over the firm surface rather than grinding against it. Aim for pleasant dullness or gentle warmth; sharpness means lighten or lift at once. A common home rhythm is one to three minutes at a sitting, once or twice daily, matched where possible to long exhales so each circle rides the breath out. Being a lone midline point, it asks no matching side — the practice simply closes where it began.
Quality matters more than duration, and at a bone-backed point quality means restraint. Bone carries pressure efficiently, which is exactly why jabbing, leaning, or tool-assisted pressing teaches nothing and may leave the area sore for days afterward; finger pads only, never knuckles, elbows, or devices. Warm cold hands first, because chilled tissue guards itself. Choose a quiet corner over a screen and treat the minute as a breathing pause: inhale through the nose, feel the upper chest widen under resting fingers, move on the exhale. Readers who keep such rituals often anchor them to something already in the day — after morning washing, before the afternoon slump — because what self-care traditions actually ask for is consistency, not intensity.
Hold the exercise as a small ceremony of attention rather than a treatment session. Across weeks, notice honestly what changes: perhaps breathing through the upper chest feels easier, perhaps the area sits less guarded, perhaps nothing shifts except that you spent ninety seconds tending the topmost inch of your own sternum. Every one of those outcomes fits what self-acupressure can honestly offer. What does not fit is escalation — pressing harder, longer, or deeper to force a result, especially around breathing or swallowing, where symptoms deserve professional eyes rather than firmer thumbs. When curiosity pulls toward force, return to gentleness, or close the day’s practice altogether.
Cautions and Safe Practice
This point earns a written caution from the licensed record, and it reads in one breath: professionals are advised to work transversely or obliquely at this site, and never deeply. The warning addresses professional technique — a domain of formal training that home acupressure never enters — yet it teaches home practitioners something too: the upper chest midline is terrain the tradition handles with respect, posted as it is between the windpipe’s doorstep above and the great vessels’ territory within the chest. For fingertips the translation is simple. Stay on the surface. Light contact over solid bone engages skin and the thinnest superficial layer, far short of anything the caution concerns, and returns everything worth feeling.
The practical rules stay simple. Use finger pads and light pressure only; skip the point entirely during a feverish or acute illness, and over any broken, irritated, or recently injured skin at the site. Stop at once — for that day — on sharp, electric, or radiating sensation, or on discomfort that worsens instead of easing. After recent chest injury or chest surgery, and during any ongoing heart or lung condition, wait for a clinician’s clearance before adding point practices. Pregnant readers should consult a qualified practitioner before beginning any new acupressure routine. None of these rules is unique to this point; together they describe ordinary care, which is precisely the register self-care should keep.
And the wider rule stands over everything. Seek medical help promptly — not a pressure routine — for breathlessness at rest or on mild exertion; for chest pain that is heavy, crushing, or spreading; for a sore throat accompanied by high fever, drooling, or difficulty breathing or swallowing; for coughing blood; for a cough that will not settle across weeks; for any symptom that frightens you. Emergency presentations belong to emergency services, immediately. For everything slower and milder, a licensed practitioner remains the right first stop. This page is educational; acupressure is self-care, not diagnosis or therapy. The safest gift the Jade Pivot offers most visitors may simply be a better acquaintance with the top of their own breastbone, treated kindly.
Xuanji — the Jade Pivot — stands high on the breastbone, on the front midline just below the soft hollow at the base of the throat. Classical practice reached for this spot when cough, tight breath, or chest fullness crowded the upper trunk. This guide walks you there by touch, reads the celestial name, and shows how gentle self-acupressure can fit an ordinary day.
Cautions from the classical sources
- Angle the needle transversely or obliquely and keep it shallow.
Self-care limits
Frequently asked
- How do I find Xuanji without knowing anything about cun?
- Use the hollow at the base of the throat as the whole map. Find the soft pit between the collarbones’ inner ends, rest a fingertip in its centre without pressing, then walk one thumb-width straight down the midline until the pad settles on hard, flat bone. That firm patch — below the hollow, above the low ridge you can feel farther down — is the address the dataset describes. The cun measurement simply encodes the same landmark walk in proportional language.
- Is pressing on the upper breastbone actually safe?
- Gentle fingertip contact over the bone is generally reasonable self-care for healthy adults: the skeleton backs the point, so light pressure stays comfortably superficial and feedback arrives immediately and honestly. What to avoid is force — jabbing, leaning, or tools over the sternum serve nothing and can leave the area bruised. Leave the hollow itself alone beyond a feather-light greeting, honour the stop signals, and skip practice during fever or over broken skin.
- What did classical practice use Xuanji for?
- The traditional record lists cough, shortness of breath, chest pain, sore swollen throat, and fullness of the chest — one family of complaints: things failing to descend smoothly through the throat-and-chest corridor. Its position on the Ren vessel’s midline, just below the throat’s base, made it a natural posting in classical discussions of breath and throat complaints. These are traditional frameworks recorded for context and cultural understanding, not evidence-backed treatment claims.
- Why give a chest point a name from astronomy?
- Because traditional commentary loved reading the body as a landscape in miniature, skies included. Xuanji was the old compound for paired stars of the Big Dipper’s bowl and for an early instrument that tracked the heavens’ turning; set just below the Heavenly Chimney and above the Flowery Canopy, the name casts the upper breastbone as an inner sky with this point as its pivot. The image suggests regulation and ordered movement — fitting for a spot tradition reached for when breath refused to settle.
- Can acupressure here replace seeing a doctor about my cough or sore throat?
- No. Self-acupressure is comfort practice, not diagnosis. Breathlessness at rest, chest pain that is heavy or spreading, a sore throat with high fever or trouble breathing or swallowing, coughing blood, or symptoms dragging on for weeks need professional assessment promptly — urgently, for anything frightening. Think of the two as different doors of one building: daily self-care uses the side entrance, medicine keeps the consulting room; knowing which door to knock on is the whole skill.
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 and channel context.
- 03aijiu-mpvue (MIT License) licensed dataset, entry for CV21 Xuanji — 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/cv21/leaf.json
- GET /zh-hant/points/cv21/leaf.json
- GET /zh-cn/points/cv21/leaf.json
- /llms.txt — the index of every leaf
- JSON-LD in the page: MedicalWebPage, MedicalEntity and FAQPage
{
"id": "CV21",
"name": {
"en": "Xuanji",
"gloss": "Jade Pivot",
"zh-Hant": "璇璣",
"zh-Hans": "璇玑"
},
"channel": {
"id": "CV",
"order": 21,
"of": 24
},
"location": {
"text": "On the breastbone, one thumb-width below the notch at its top."
},
"for": [
"cough",
"sore throat",
"a full chest"
],
"press": {
"text": "Gentle, on the breastbone, about a minute.",
"seconds": 60
},
"cautions": [],
"source": "Zhenjiu Jiayi Jing, book 3",
"url": "https://acupoints.com/en/points/cv21",
"lastReviewed": "2026-08-24"
}