Not on the belly in pregnancy.
太乙 Taiyi
“Great One” · ST23
Foot Yangming · 23 of 45
Where. On the belly, three finger-widths above the navel and three finger-widths out from the midline.
For. An unsettled stomach, restlessness.
Press. Gentle flat-finger pressure, about a minute each side, not after a big meal.
Caution. Not on the belly in pregnancy.
太乙，在關門下一寸按 · Press with me
Six slow breaths
About a minute. Press as you breathe out, ease as you breathe in.
鄰 · Neighbouring leaves
Where Taiyi Sits on the Upper Abdomen
The dataset locates Taiyi on the upper abdomen, two cun above the centre of the umbilicus and two cun lateral to the anterior midline. Unpacked, that draws a tidy grid from the body’s own proportions. 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 measured across a broad-framed adult differs from a cun on a slight teenager. Two cun above the navel amounts to a short climb — about two thumb-widths — into the firm, muscular territory of the upper belly; two cun to the side sets the point on the vertical band of muscle that flanks the midline. Everyone carries the mirror image of the point on both sides, and the record treats the pair alike.
What lies beneath deserves a gentle hand. The belly wall here is built in soft layers — skin, a variable cushion of fat, then the firm vertical strap of the rectus abdominis, the upright muscle whose two columns give a conditioned abdomen its shape. Two cun lateral to the midline usually sets the point on that muscle, comfortably inside its outer border. Beneath the muscle there are no bones to shield the area; the abdominal cavity and the digestive organs within rest close beneath a yielding wall. Nothing about that geography forbids touch — people press their own bellies every day without thinking — but it explains why self-care traditions ask for patient, unhurried contact rather than force, and why this region rewards light fingertips far more than determined thumbs.
The neighbourhood helps confirm the address. The stomach channel runs down the front of the body from the face to the second toe, and along the abdomen it travels a single straight line, two cun from the midline, stepping station by station. Guanmen (ST22) stands one stop higher, three cun above the centre of the umbilicus; Huaroumen (ST24) waits one stop lower, one cun above it; Tianshu (ST25) marks where the line crosses the level of the navel itself, level with its centre. Reading the four together shows the ladder plainly: one shared vertical road, evenly spaced stations, Taiyi among them. If a searching finger wanders off that road, it has found the territory of a different family of points altogether.
A Self-Palpation Walkthrough
Lie on your back on a bed or mat with the knees bent and feet flat, which lets the belly wall soften. Find the centre of your navel and rest two fingertips of your right hand there. Measure straight up the midline by the width of your own thumb, laid down twice — about two cun for most bodies — and hold the height. Now slide sideways away from the midline by another two thumb-widths, onto the left column of belly muscle. Settle the pads of the index and middle fingers there, breathe out slowly, and feel for a spot where gentle contact produces a faint, dull awareness. Then repeat the whole search on the right side, so both halves of the pair receive the same careful attention.
A few confirmations help before pressing begins. Compare sides with a feather-light touch: many people notice a subtle, dull awareness at the true point on one or both sides and almost nothing a thumb-width away. Follow the muscle under your fingertips: the two upright columns sit either side of a softer central strip, and the point belongs on the column, not in the valley between them. Watch the breath move the wall — the belly lifts gently on the inhale and settles on the exhale, and a healthy spot yields softly under patient pressure rather than feeling corded or bruised. If everything feels numb and anonymous, re-anchor at the navel and walk the measurement again; accuracy comes from repeating the sequence, never from pressing harder in hope.
The classic slips are predictable. Measuring from the top rim of the navel instead of its centre throws the height off — begin from the middle of the opening itself. Drifting outward past the muscle’s outer border leaves the channel road entirely; the flank there belongs to other territories. Confusing heights is easiest of all: Tianshu waits level with the navel, Huaroumen one thumb-width above it, and Taiyi a further thumb-width higher still — count the stations rather than trusting a guess. And if a full stomach makes the whole area tender and indistinct, wait until digestion quiets; searching over a meal-full belly blurs every landmark. Slow repetition beats force every time this low on the trunk.
Reading the Name: The Great One
The name compresses a philosophy into a couple of strokes. Tai 太 means great, grand, supreme — largeness carried to its furthest. Yi 乙 is quieter and stranger: it is the second of the ten heavenly stems, the ancient cycle that named days, directions, and destinies, serving classical Chinese much as the letter B serves English, marking the second of anything. The single bent stroke of the character is commonly explained as a picture of a young sprout bending as it pushes out of the soil — life curling upward out of darkness. Read together, Taiyi renders naturally as the Great One, and the pairing of supreme vastness with one humble germinating stroke gives the name its particular charm.
Beyond the two characters, Taiyi is an old and resonant term in Chinese thought — sometimes written with a variant character for yi — naming the Great One: the undivided source imagined before heaven and earth separated, honoured in ancient state ritual as a supreme power presiding over the centre of things. For a point name, the older philosophical sense matters most: unity, origin, the pivot around which everything arranges itself. Classical commentary on this point often reads the name against its address — a station just above the navel, near the body’s central axis, on the channel of digestion, the system early medicine credited with receiving and transforming food into the stuff of life. A point at the body’s middle wearing the name of the primal centre made a satisfying fit.
Pinyin spells the name Tàiyǐ. The first syllable, tai, carries the falling fourth tone — a decisive drop, the tone of finality; the second, yi, carries the dipping third tone, which sinks before rising again, as if tracing the very sprout-stroke it names. Spoken flat, the name loses both its music and, for trained ears, its identity. Like many points across the map — treasuries, gates, valleys, and basins elsewhere — the metaphor does real work. Where Zhongfu was a storehouse and Quepen a broken basin, Taiyi is a throne-name: it tells you the tradition regarded this quiet square of belly as a seat of consequence.
Traditional Indications, Explained
The licensed record lists four traditional indications: gastric disorders, vexation, mania, and enuresis. The first is deliberately broad — where some neighbouring points itemise stomachache or vomiting, this entry gathers stomach-related complaints under a single umbrella, reflecting how classical formularies treated this stretch of the channel as a corridor for belly complaints generally. Framed as tradition rather than promise, classical practice traditionally used Taiyi whenever digestion sat uneasily; the record keeps the category wide, and this page keeps it equally honest. Restating a traditional indication describes what old practitioners reached for, never asserts what pressing accomplishes — that distinction runs through everything below.
The middle two indications move from belly to spirit, and they need historical translation. Vexation in the classical vocabulary describes an inner restlessness — an agitation felt across the chest and heart region, an inability to settle that old physicians counted among the complaints of the shen, the heart-spirit. Mania is the umbrella the classics spread over disordered states of mind at their most turbulent: agitated, unquiet, alarming conditions understood through patterns of excess rather than through modern diagnosis. These are pre-modern categories, documented for cultural understanding. Anyone today living with frightening moods or thoughts deserves contemporary professional care, not a pressure routine — and the tradition itself, which always took such states seriously, would agree.
Enuresis — the involuntary passing of urine, including childhood bedwetting — completes the record, and its presence here reflects the classical habit of reading the whole trunk as one connected landscape: fluid regulation, digestion, and the spirit were mapped onto shared channels, so a single point could join several conversations at once. It bears repeating plainly: these are the traditional uses recorded in a licensed dataset and classical literature, offered for cultural and historical understanding. They are not claims that pressing this point treats disease. Where modern research touches acupressure 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 located by the walkthrough above, settle in: lying with knees bent, or seated and supported, whichever lets the belly go soft. Curl the index and middle fingers together and rest the pads — never the tips — on the spot. Begin with contact alone for a few slow breaths, then add small, unhurried circles, letting the skin glide over the muscle beneath rather than grinding against it. Pressure should register as pleasant dullness or mild warmth, never soreness that makes you flinch. A common home rhythm is one to three minutes per side, once or twice daily, matched where possible to long exhales so each circle rides the breath out. Swap hands, repeat on the other side, and keep the sessions symmetric — the record honours the pair alike.
Quality matters more than duration. Light, patient, regularly repeated contact fits the wellness register this page practises; hard jabbing teaches the belly nothing except to guard. Warm cold hands first, because chilled muscle tightens. Choose a quiet corner over a screen — the practice doubles as a pause in the day, a few minutes spent attending to a part of the body most people notice only when it complains. People who keep routines tend to anchor them to existing habits: after morning washing, before the afternoon slump, following the evening meal once digestion has settled. Consistency, not intensity, is what self-care traditions actually ask for, and the belly answers regularity far better than enthusiasm.
Treat the exercise as a small ceremony of attention rather than a treatment session. Over weeks, notice what changes: perhaps the area feels less guarded, perhaps digestion feels easier while you press, perhaps nothing shifts except that you spend ninety seconds a day listening to your own middle. 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 the practice never promised. When curiosity pulls that way, return to gentleness, or simply stop for the day and let the habit, not the pressure, do the accumulating work.
Cautions and Safe Practice
Honesty first: the licensed dataset records no special caution entry for this point — the field stands empty, and this module echoes that emptiness exactly. An empty field is information, not permission. Points on this stretch of the abdominal wall sit above the digestive organs, which rest close beneath a soft, yielding covering, and no bone intervenes to absorb careless pressure. What protects a home practice here is not a warning printed beside the point but the standing discipline of belly work everywhere: stay on the surface, move slowly, and treat mild discomfort as the ceiling, never the target.
Practical rules follow. Use finger pads only — no elbows, knuckles, or tools — and never press while holding the breath or through genuine pain. Skip the area entirely during an episode of acute stomach upset, over broken or irritated skin, and for some weeks after any abdominal surgery unless a clinician has cleared ordinary activity. Pregnant readers should consult a qualified practitioner before adding any new point work; the belly asks for extra care in pregnancy as a matter of course. Sharp, electric, or radiating sensation means stop at once and do not try again that day. A very full bladder makes the whole region tender — empty it first, and let the practice stay comfortable from beginning to end.
And the wider rule stands over everything: this page is educational, and acupressure is self-care, not diagnosis or therapy. Seek prompt medical care — not a pressure routine — for severe or persistent abdominal pain, vomiting blood, black or bloody stools, unexplained weight loss, a lasting change in bowel habit, or any symptom that frightens you. Disturbing moods or thoughts belong with a mental-health professional; new urinary changes in an adult, or bedwetting in a child, deserve a physician’s assessment before any complementary routine joins the plan. Persistent symptoms belong with a licensed practitioner, Western or East Asian as suits the complaint. The Great One offers most people a humbler gift than its name suggests: a kinder acquaintance with their own middle.
Taiyi, the Great One, stands on the upper belly two cun above the navel, on the stomach channel’s long descent toward the toes. Classical practice reached for it amid stomach complaints and the unquiet states the old records listed as vexation and mania. This guide walks through locating it by touch and pressing it gently.
Self-care limits
Frequently asked
- How do I find Taiyi without knowing anything about cun?
- Use your own thumb as the ruler. Find the centre of the navel, lay the thumb down twice going straight up the midline, then twice more moving sideways onto the belly muscle. That four-step walk — two up, two across — reproduces the dataset’s coordinates on your body, because cun measurements were designed as proportional units taken from the person, never fixed distances from a tape. When in doubt, repeat the sequence slowly rather than pressing harder in place.
- Is pressing Taiyi myself safe?
- For healthy adults, gentle fingertip pressure held on the surface of the belly is generally reasonable self-care, and the licensed dataset records no special caution for this point. The abdominal organs lie closer to the surface here than at bony sites elsewhere, which is exactly why the technique stays light: skin and superficial muscle only, no tools, no driving force. The stop signals — sharp pain, radiating sensation, worsening discomfort — end the session immediately.
- What did classical practice use Taiyi for?
- The traditional record lists gastric disorders, vexation, mania, and enuresis. Read historically: stomach complaints formed the everyday core; vexation described restless agitation felt in the chest; mania was the classics’ umbrella for turbulent disorders of mind; and enuresis reflected the old habit of mapping fluid control onto the same trunk-wide landscape. Those are frameworks for understanding the body, documented for context — not evidence-backed treatment claims.
- Why does a stomach-channel point speak about the mind?
- Classical medicine drew no hard border between digestion and emotion: the same channel that serves the stomach climbs to the face, and the tradition treated belly and heart-spirit as continuous landscapes — unsettled food and unsettled mood belonging to one conversation. Points along this abdominal stretch therefore appear in old discussions of both stomach trouble and disquiet of the shen. It is a coherent pre-modern model worth understanding on its own terms, and it is not a claim that acupressure treats psychiatric illness — frightening states of mind need contemporary professional care.
- What does the name Taiyi mean?
- Literally, the Great One. Tai means supreme or grand; yi is the second heavenly stem, its single bent stroke likened since antiquity to a sprout curling out of the soil. As a compound, Taiyi was an ancient name for the undivided source of all things, honoured at the centre of old cosmology — a resonant title for a quiet point standing just above the navel, near the body’s axis, on the channel of transformation.
- When should I see a doctor instead of pressing on?
- Whenever symptoms persist, worsen, or frighten you. Severe or lasting abdominal pain, vomiting blood, black stools, unexplained weight loss, or a durable change in bowel habit call for prompt medical assessment; so do disturbing moods or thoughts, and new urinary problems in adults. Think of self-acupressure and clinical medicine as different floors of the same building — daily comfort downstairs, the consulting room upstairs — and carry persistent questions upstairs promptly. Neither floor 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 and channel context.
- 03aijiu-mpvue (MIT License) licensed dataset, entry for ST23 Taiyi — 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/st23/leaf.json
- GET /zh-hant/points/st23/leaf.json
- GET /zh-cn/points/st23/leaf.json
- /llms.txt — the index of every leaf
- JSON-LD in the page: MedicalWebPage, MedicalEntity and FAQPage
{
"id": "ST23",
"name": {
"en": "Taiyi",
"gloss": "Great One",
"zh-Hant": "太乙",
"zh-Hans": "太乙"
},
"channel": {
"id": "ST",
"order": 23,
"of": 45
},
"location": {
"text": "On the belly, three finger-widths above the navel and three finger-widths out from the midline."
},
"for": [
"an unsettled stomach",
"restlessness"
],
"press": {
"text": "Gentle flat-finger pressure, about a minute each side, not after a big meal.",
"seconds": 60,
"sides": "both"
},
"cautions": [
"Not on the belly in pregnancy."
],
"source": "Zhenjiu Jiayi Jing, book 3",
"url": "https://acupoints.com/en/points/st23",
"lastReviewed": "2026-08-24"
}