太白 Taibai
“Great White” · SP3
Foot Taiyin · 3 of 21 · shu-stream, yuan-source
Where. On the inner edge of the foot, just behind the big-toe joint, in the dip below the bony bump.
For. A rumbling, bloated belly; loose stools; a heavy body.
Press. Thumb pad, slow circles, one minute each foot.
太白者，土也。在足內側核骨下陷者中按 · Press with me
Six slow breaths
About a minute. Press as you breathe out, ease as you breathe in.
鄰 · Neighbouring leaves
Where Taibai Sits on the Inner Foot
Start on the medial border of the foot — the side where the big toe faces its partner — because that entire edge belongs to this point’s neighborhood. The dataset places Taibai on the medial side of the foot, posterior and inferior to the first metatarsophalangeal joint, at the junction of the red and white skin. Each term decodes into something you can see or feel. The first metatarsophalangeal joint is simply the knuckle at the root of the big toe, where the toe bends against the long bone of the arch. Posterior means toward the heel — back along the arch, away from the toe. Inferior means down the inner slope, toward the sole. And the junction of the red and white skin is the traditional name for the soft boundary where the paler, thicker skin of the sole-side gives way to the thinner, deeper-toned skin over the top of the foot — a colour shift most people can trace with their eyes before touching anything.
What lies beneath the skin asks for a gentle hand. Just behind the working joint, tissue runs thin over bone and tendon: the strong tendon that bends the big toe travels beneath this corridor, and fine sensory nerves crowd the area, because feet — like fingertips — are built to report the ground in detail. That density favours acupressure rather than force. Sensation arrives early, long before pressure could matter, which makes heavy pressing pointless as well as unkind. A hollow resting beside a joint that flexes with every step rewards patient, featherweight contact and answers nothing to jabbing.
Neighbors confirm the address. Counting up the inner border from the tip of the big toe, the channel opens at Yinbai (SP1), hugging the medial corner of the toenail; the next substantial hollow beyond the knuckle crest, on the toe-facing side, is Dadu (SP2); and passing behind the joint toward the ankle brings you to Taibai. Notice the symmetry in the official language: Dadu sits distal to the great knuckle — on its far side, toward the toe — while Taibai sits posterior to the same joint, on its near side, toward the heel. Both rest along the red-and-white boundary. Once you can find the knuckle and that boundary line, you hold the map for all three stations at once, and the opening stretch of the spleen channel reads at a glance.
A Self-Palpation Walkthrough
Settle somewhere comfortable and give the foot you are searching a stable perch — cross that ankle over the opposite knee, or rest the foot flat and let it roll gently inward so the inner border faces you. With the other hand, find the knuckle at the root of the big toe: flex the toe up and down once and feel where it hinges. Slide your exploring thumb onto the inner side of the knuckle, then walk it backward — toward the heel, not the toe — across the rounded crest, and let it settle into the shallow dip just beyond, dropping fractionally down toward the sole. Check the address before anything else: the spot should lie on the faint colour boundary where sole-side skin yields to upper-foot skin, on the heel-facing side of the joint. That dip, on that edge, along that line, is the whole of the location.
Two quiet confirmations earn their keep. First, compare sides with feather-light taps: many people notice a faint, dull awareness at the true point and almost nothing a few millimeters away. Second, change the toe’s posture — curling it downward pushes the joint crest up and tends to deepen the dips on either side, making the hollow easier to rest in, while straightening the toe lets everything soften again. If your fingertip lands on a hard ridge instead of a dip, you are probably still sitting on the crest of the knuckle itself; ease a little further toward the heel, or slide fractionally toward the sole, and search again. None of this probing should hurt — discomfort during locating usually means too much pressure rather than the wrong place.
Common slips are predictable. Overshooting walks you too far up the arch, past the hollow and onward toward the channel’s next stretch — the tell is that your thumb has left the neighborhood of the knuckle entirely. Drifting up onto the top of the foot abandons the colour boundary for thinner, more sensitive skin. And using a fingernail instead of the fleshy pad turns a gentle search into a poke, so trim nails and let the pad do the work throughout. When confusion wins, shake the foot loose, set it down again, and begin once more from the knuckle; the landmark has never moved.
Reading the Name: Great White
Tai 太 means great, grand, supreme — largeness drawn with confidence. Bai 白 means white, and by extension brightness and purity. Pinyin writes the name Tàibái: a falling fourth tone on tai, a rising second tone on bai. The two characters are plain enough to memorise at a glance, yet the name carries unusual cultural weight, because Taibai is the classical Chinese name for Venus, the brightest of the wandering stars; it was also the courtesy name of the Tang-dynasty poet Li Bai, and it belongs to Mount Taibai, the loftiest summit of the Qinling range. A tradition that named points for gates, valleys, and courtyards evidently enjoyed giving one humble doorstep beside the big toe such a grand title. As for why white here specifically, commentators differ: one reading connects the character with the pale boundary line the point rests upon, another simply reaches for the star’s whiteness. Both are readings worth holding lightly rather than settled fact.
A second layer arrives through point classification. Classical teaching organises the points nearest the fingers and toes into five offices per channel, named for water gathering force downhill: a well, a spring, a stream, a river, and a sea. Taibai holds two titles at once. It is the stream office of the spleen channel — the stage where the flow, having surfaced at the well and quickened at the spring, gathers into steady, workable depth. And it is the channel’s yuan-source point, which classical frameworks describe as the place where an organ system’s original qi pools nearest the surface at wrist-and-ankle level, a station practitioners read as a gauge of the organ’s reserves. Classical five-phase teaching, as carried in standard references such as A Manual of Acupuncture, assigns the yin channels’ stream points to the earth phase — and the spleen channel is itself earth. Earth upon earth: in the tradition’s own arithmetic, this small hollow expresses its channel’s nature in its purest form. It is a lens for reading the literature, not a laboratory finding.
The imagery repays attention. Where Hidden White at the nail corner whispers and Great Capital bustles with youthful fire, Great White suggests something quieter and steadier — water moving with purpose, whiteness as clarity. Set the three neighbors side by side and the channel’s opening chapter reads like a story told in three sentences: emergence, quickening, consolidation. The name, once again, doubles as instructions.
Traditional Indications, Explained
The recorded indications read: borborygmus, abdominal distension, diarrhoea, stomachache, constipation, and heaviness of the body with joint pain. Borborygmus is the old records’ honest word for audible rumbling — gas and fluids churning through the gut loudly enough to announce themselves. The remaining entries form one family in the traditional frame. Classical practice paired the spleen with the stomach as the middle burner’s great working partnership, charged with transforming food and transporting fluids; when that partnership faltered, the records describe a recognisable cluster — a belly ballooned with trapped fullness, dull ache around the stomach, contents hurrying through too fast, or the opposite stall of nothing moving at all. Distension deserves its own note: it meant a subjective swelling and blockage, a sense of pressure, rather than visible disease. One small point behind the great knuckle was consulted for the whole unruly household of mid-body complaints.
Heaviness of the body with joint pain is the entry that looks least digestive, and it opens a distinct traditional concept. In the classical frame the spleen was read as disliking dampness: when its transport failed, fluids were said to gather as damp instead of moving through, and a body carrying unprocessed damp felt heavy — limbs leaden, steps reluctant — while joints complained under the load. Hence the pairing in the record, heaviness and joint ache arriving together. Stream-point doctrine fits the same picture: classical aphorisms, paraphrased rather than quoted, associated this class of points with sensations of bodily heaviness and with complaints that wax and wane. And the yuan-source role explains the breadth of the portfolio: if the source point gauges the spleen system’s reserves, then practice would naturally reach for it whenever the middle seemed underpowered, whatever the surface complaint. These are traditional ways of reasoning, recorded here to make the old lists legible — not mechanisms verified by modern science.
It bears saying plainly: these are the traditional uses recorded in a licensed dataset and classical literature, offered here for cultural and historical understanding. They are not claims that pressing this point treats any condition, and nothing in this guide substitutes for assessment by a qualified clinician. Where modern research has touched self-applied acupressure at all, reviews suggest effects tend to be modest and dependent on context, and evidence specific to any single point remains sparse. Hold the tradition lightly and the safety rules firmly, and the two will never collide.
Self-Care Acupressure at Home
With the point located by the walkthrough above, settle into position: seated, the searched ankle resting where you can reach it without hunching. Bring the pad of your opposite thumb onto the hollow and begin with bare contact — a few unhurried breaths carrying no pressure beyond the finger’s own weight. Then add small, slow circles, letting the skin glide over the tissue rather than grinding against the bone beneath. Aim for a pleasant dullness, perhaps a mild warmth spreading along the inner arch; any sharpness anywhere in the experience is a cue to lighten or stop. A common home rhythm is one to three minutes per side, once or twice daily, with the pressure riding gently on each exhale. Swap feet and give the other side its turn, keeping the two sessions symmetrical.
Feet ask for particular kindness. Skin over a working joint is thin, structures sit close, and a foot that has spent the day in shoes arrives guarded — so halve whatever pressure feels normal elsewhere, warm your hands first, and consider warming the foot too with a short walk before starting. Quality beats duration: two minutes of genuinely light, attentive contact serves the practice better than ten absent-minded ones. Many people anchor the routine to an existing habit — the evening shoe-off moment, a winding-down pause on the sofa — because regularity, not intensity, is what self-care traditions actually request.
Treat the minutes as a small ceremony of attention rather than a treatment session. Across weeks you may notice the hollow feeling less tender under the thumb, the search growing quicker and surer, or simply that you spent ninety seconds attending to a part of yourself that carries you all day — every outcome inside the honest scope of self-acupressure. What falls outside it is escalation: pressing harder, longer, or more sharply to force a result. Curiosity that pulls that way is best answered by returning to gentleness, or by closing the practice for the day. The point has waited centuries already; it can wait until tomorrow.
Cautions and Safe Practice
The licensed dataset records no special cautions for this point, and it is worth stating that plainly — together with what it does not mean. An empty caution column is not an invitation to force. Thin skin over a small working joint, a tendon traveling just beneath, and densely packed sensory nerves mean this neighborhood rewards exactly the light, purely superficial contact this page recommends everywhere else, and it punishes jabbing. Never press hard onto the knuckle crest, never work with a tool or device, and never push sensation beyond pleasant dullness.
Conservative defaults cover the rest. Skip the point entirely over cuts, blisters, cracked or peeling skin, athlete’s foot, inflamed nail folds, warts, or any broken skin along the inner border of the foot; leave it alone while a foot injury heals, and after recent foot surgery until ordinary walking feels comfortable again or a clinician clears it. If this exact joint is hot, swollen, or acutely painful — as happens in gout flares and arthritic episodes, which have a famous fondness for the big-toe region — press nowhere near it and let the inflammation settle first. Sharp, electric, or radiating sensation means stop at once and do not retry that day. Pregnant readers, and anyone living with diabetes, reduced foot sensation, or poor circulation, do best to consult a qualified practitioner before adding any new point practice. When in doubt, ask first; the question costs nothing.
Red flags outrank routines. Persistent vomiting, severe or worsening abdominal pain, blood in the stool, a true fever, or a bowel habit that has changed and stayed changed for weeks all call for prompt medical assessment, not a pressing schedule. And the standing rule above everything: this page is educational, self-acupressure is comfort-oriented daily care rather than diagnosis or therapy, and persistent symptoms belong with a licensed practitioner. A hollow behind the big toe makes a poor clinic; save the real clinics for the professionals who staff them.
Taibai — “Great White” — rests on the inner edge of the foot, just behind the knuckle where the big toe joins the arch, along the pale line where sole skin meets upper-foot skin. Classical practice kept this stream-and-source point close for rumbling bellies, swollen middles, and bowels out of rhythm. This guide walks through finding it by touch and pressing it safely.
Self-care limits
Frequently asked
- How do I find Taibai without knowing anything about cun?
- Use the big-toe knuckle as the entire map. Flex the toe to feel the joint at its root, come onto the inner edge, walk backward toward the heel across the rounded crest, and settle into the shallow dip just beyond, checking that the faint colour boundary between sole-side and upper-foot skin runs through the spot. Nothing needs measuring: the cun language in formal locations encodes the same landmarks proportionally.
- Is pressing right behind the big-toe joint really safe?
- Gentle fingertip pressure held on intact skin is generally reasonable self-care for healthy adults, because the technique engages skin and superficial tissue far short of anything a joint would mind. The realistic risks come from hard or repeated jabbing beside a small working joint, or pressing through broken or inflamed skin — categories this practice simply excludes. Respect the stop signals: sharp pain, radiating sensation, or discomfort that worsens all mean finish immediately.
- What did classical practice use Taibai for?
- The traditional record lists borborygmus, abdominal distension, diarrhoea, stomachache, constipation, and heaviness of the body with joint pain. Classical frameworks explain the grouping: the spleen channel was read as steward of the middle burner’s digestion, stream-point doctrine linked this class to heaviness and intermittent complaints, and the source-point office made the point a gauge of the whole system. Those are traditional ways of mapping the body, documented for context — not evidence-backed treatment claims.
- What is the difference between Dadu (SP2) and Taibai (SP3)?
- They flank the great knuckle from opposite sides. Dadu sits on the toe-facing side, Taibai on the heel-facing side, and both rest along the red-and-white boundary. Their classical offices differ too: Dadu holds the spring office, assigned by five-phase teaching to fire, while Taibai holds both the stream office and the source-point title, assigned to earth — the spleen’s own element. Their recorded portfolios overlap heavily on mid-body complaints, which is why the old texts often discuss them together.
- Can acupressure at Taibai take the place of seeing a doctor?
- No. Self-acupressure offers comfort, not diagnosis, and ongoing digestive trouble, severe or worsening abdominal pain, blood in the stool, true fever, or a bowel habit changed for weeks needs professional assessment promptly. Picture two floors of one building: daily self-care lives downstairs, and clinical medicine keeps the consulting room upstairs for when symptoms persist or escalate. Neither replaces the other, and the downstairs tenant should always send serious matters upstairs.
Sources
- 01WHO Standard Acupuncture Point Locations in the Western Pacific Region (2008), World Health Organization — location conventions.
- 02A Manual of Acupuncture, Peter Deadman, Mazin Al-Khafaji and Kevin Baker — point-name tradition, five-phase stream-point classification, yuan-source theory, and channel context.
- 03aijiu-mpvue (MIT License) licensed dataset, entry for SP3 Taibai — location, point classes, 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/sp3/leaf.json
- GET /zh-hant/points/sp3/leaf.json
- GET /zh-cn/points/sp3/leaf.json
- /llms.txt — the index of every leaf
- JSON-LD in the page: MedicalWebPage, MedicalEntity and FAQPage
{
"id": "SP3",
"name": {
"en": "Taibai",
"gloss": "Great White",
"zh-Hant": "太白",
"zh-Hans": "太白"
},
"channel": {
"id": "SP",
"order": 3,
"of": 21
},
"location": {
"text": "On the inner edge of the foot, just behind the big-toe joint, in the dip below the bony bump."
},
"for": [
"A rumbling",
"bloated belly",
"loose stools",
"a heavy body"
],
"press": {
"text": "Thumb pad, slow circles, one minute each foot.",
"seconds": 60,
"sides": "both"
},
"cautions": [],
"source": "Zhenjiu Jiayi Jing, book 3",
"url": "https://acupoints.com/en/points/sp3",
"lastReviewed": "2026-08-24"
}