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Not in pregnancy.

Leaf 13 of 27 · Foot Shaoyin
氣穴

氣穴 Qixue

“A Cave for Qi” · KI13

Foot Shaoyin · 13 of 27 · crossing-point

Where. Four finger-widths below the navel, half a thumb-width out from the midline.

For. Irregular periods; difficult urination; diarrhea.

Press. Lying down, a light fingertip touch, about a minute.

Caution. Not in pregnancy.

A Self-Palpation Walkthrough

Begin settled rather than rushed: lying on your back with the knees softly bent relaxes the abdominal wall best, and a visit to the bathroom first leaves the whole region calmer to touch. Establish two landmarks. First, the centre of the navel. Second, the top of the pubic bone: walk two fingertips straight down the midline until you feel the first firm resistance. Now measure between them. In the traditional system the width of four fingers held together approximates three cun, so resting the outer edge of your little finger against the underside of the navel and laying the fingers straight down brings the far edge roughly to Qixue’s level; alternatively, divide the whole navel-to-bone stretch into five imagined parts and stop three parts down. From that height, slide sideways about half a thumb-width clear of the midline — the spot under your pad is Qixue’s neighbourhood. Repeat on the other side.

Read the whole section ↓
氣穴,一名胞門,一名子戶,在四滿下一寸
“Qixue, also called Baomen and Zihu, lies one cun below Siman.”《針灸甲乙經·卷三》 Zhenjiu Jiayi Jing, book 3
Next leaf四滿 · KI14 →
0 / 6breaths

按 · Press with me

Six slow breaths

About a minute. Press as you breathe out, ease as you breathe in.

鄰 · Neighbouring leaves

Where Qixue Sits on the Lower Abdomen

Qixue occupies the middle stretch of the lower belly’s soft wall. The licensed dataset locates it on the lower abdomen, three cun below the centre of the umbilicus and half a cun to the side of the anterior midline. 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 the same figure lands differently on a broad-framed adult and a slight teenager. On the front of the pelvis a classic proportion runs from the centre of the navel to the upper edge of the pubic bone as five equal parts; three parts below the navel leaves two still to travel, which puts Qixue just past the halfway mark of that soft slope — nearer the bony ridge than to the navel, yet comfortably clear of both.

What lies beneath explains the area’s character. Under the skin run the layered muscles of the lower abdominal wall; deeper still sits the bladder, which fills and rises toward exactly this low-central region; to either side, the soft tissue toward the groin gathers vessels and cords that deserve a gentle hand. None of this makes light fingertip contact inappropriate — but it does mean the territory rewards patience and feather-light touch rather than firm work, and every suggestion on this page stays inside that boundary. Remember too that Qixue exists as a symmetric pair, one point on each side of the midline, so whatever you practise belongs equally to both sides.

The wider channel map helps place it. Classical teaching draws the kidney meridian beginning on the sole of the foot, climbing the inner aspect of the leg, surfacing on the lower abdomen in this low-central region, and then continuing upward along the front of the trunk about half a thumb-width beside the midline before rising toward the chest. Qixue therefore stands partway up the channel’s long abdominal ascent — above the gatepost points at the very floor of the torso, below the ring of points at the level of the navel — one station among several where the kidney channel walks its quiet parallel road beside the body’s centreline.

A Self-Palpation Walkthrough

Begin settled rather than rushed: lying on your back with the knees softly bent relaxes the abdominal wall best, and a visit to the bathroom first leaves the whole region calmer to touch. Establish two landmarks. First, the centre of the navel. Second, the top of the pubic bone: walk two fingertips straight down the midline until you feel the first firm resistance. Now measure between them. In the traditional system the width of four fingers held together approximates three cun, so resting the outer edge of your little finger against the underside of the navel and laying the fingers straight down brings the far edge roughly to Qixue’s level; alternatively, divide the whole navel-to-bone stretch into five imagined parts and stop three parts down. From that height, slide sideways about half a thumb-width clear of the midline — the spot under your pad is Qixue’s neighbourhood. Repeat on the other side.

A few quiet confirmations help before any pressure begins. Touch with almost no force and compare the two sides; many people notice a faint, deep awareness at the true spot and little sensation a finger-width away. Check that your finger really rests half a thumb-width clear of the midline rather than riding on it — the kidney channel hugs the centreline all the way up the abdomen, so the point lives close beside it, not out toward the hip. And check the vertical level: not up at the navel itself, and nowhere near the bony ridge. Everything should register as mild warmth or dull attention; anything sharper belongs to a different day.

Common slips are worth naming. Measuring downward from the navel with wide thumbs can overshoot toward the bone, while timid half-measures leave you hovering near the navel; the remedy is always to return to the two landmarks — navel and ridge — and let the skeleton define the span. Drifting outward is another trap, because plenty of other point-lines cross the abdomen farther from the centre, whereas this channel keeps company with the midline. And because bodies differ, the proportional system matters more than any ruler: on some torsos the stretch from navel to bone feels longer than expected. Trust landmarks over arithmetic, and whenever in doubt, start again from the ridge and walk upward.

Reading the Name: A Cave for Qi

The name is geography of the subtle kind. Qi 氣 means breath — and, in Chinese-medical vocabulary, the vital energy that moves through the channels; xue 穴 means cave, hollow, or opening, the same word used for an acupoint generally. Together: the cave where qi gathers, or the opening through which it passes. Traditional commentary reads the point as a place where the channel’s energy collects on its climb up the abdomen, settling into this soft hollow the way air gathers at the mouth of a cavern. It is an image, offered by the naming tradition rather than a measurement — but images are how the old literature remembered its map.

There is a pleasing linguistic turn hiding here. Every station on every meridian is, generically, a xue — the word is simply what acupoints are called. This one wears the category label openly, distinguished only by the character standing before it, rather as a settlement might simply be named “Town.” Within the kidney channel’s roster — springs, valleys, courtyards, and gates scattered along its climb from sole to chest — such a spare, geological title feels almost austere. It commits to no metaphor beyond depth and hollowness: something important collects here, the name says, and leaves it at that.

The dataset adds a credential: Qixue is recorded as a crossing point. Classical sources describe certain abdominal stations as places where the kidney channel’s qi meets another vessel travelling through the lower abdomen, commonly identified in the literature with the penetrating vessel — the chong mai of classical theory, pictured as a deep, rising current that shares much of the kidney channel’s lower course. Meetings like this made a point noteworthy in classical discussion, the way a junction earns its place on an old map: converging movement marked a spot worth attending to. The imagery is cartographic, not clinical — a way of honouring convergence, not a claim about outcomes.

Pinyin renders the name Qìxué: qì falls sharply away on a fourth tone, like a small decisive drop; xué lifts on a second tone, rising as if the qi of the name were climbing its channel. The hanzi pair 氣穴 is compact enough to memorise at a glance, and simplified texts trim it further by dropping the rice element of 氣: 气穴. Say the name aloud a few times and the tonal shape rehearses the point’s own story — a gathering, then an ascent — which is perhaps more poetry than the old namers intended, and exactly the sort of small pleasure this layer of the tradition repays to anyone who lingers.

Traditional Indications, Explained

The recorded indications read: irregular menstruation, vaginal discharge, difficult urination, and diarrhea. Read as tradition rather than promise, the pairing is hardly accidental. Classical physiology assigned the kidney the storage of essence — the deep reserve tied in that framework to growth, development, and reproduction — and drew the kidney channel surfacing across the low abdomen, the very region older writers associated with the womb and the water passages. A station of that channel, standing midway between navel and pelvic rim, became a natural address at which to gather discussions of menstrual rhythm and of discharge — the traditional categories that head this point’s portfolio.

The remaining two items extend the picture through water and warmth. Difficult urination gathered, in the old records, a family of complaints in which water would not pass freely — and the kidney, in the same traditional physiology, was the organ charged with governing water, which made its abdominal stations recurring candidates in such discussions. Diarrhea joined the list through another classical idea: that the kidney’s warmth, often figured as a pilot light at the body’s core, was understood to support digestion, so that a deficiency of that warmth was traditionally read into chronic loose stools. These are framework thoughts — ways the tradition connected a point to a region of concern — documented for context, not asserted as effect.

It bears repeating plainly: these are traditional uses preserved in a licensed dataset and classical literature, offered for cultural and historical understanding. They are not claims that pressing this point treats disease, and nothing here replaces assessment by a qualified clinician. Where modern research touches self-applied pressure at all, reviews suggest effects are modest and heavily context-dependent, and evidence specific to any single point remains thin. Some matters named above — persistent changes in the menstrual cycle, unusual discharge, ongoing urinary difficulty — always warrant proper medical evaluation today. Hold the tradition lightly, and hold the safety rules firmly.

Self-Care Acupressure at Home

With the area found by the walkthrough above, arrange comfort first: lying down or reclined, knees supported, abdomen unclenched. Curl index and middle fingers together and rest the pads — never the tips — on the spot. Start with contact alone for a few slow breaths, then add small, unhurried circles, letting the skin glide over the tissue rather than grinding inward. Sensation should read as gentle dullness or spreading warmth, nothing more insistent. A common home rhythm is one to three minutes per side, once or twice daily, matched to long exhales so each circle rides the breath out; then swap hands and give the other side equal time.

Quality outranks duration everywhere on this page. Warm the hands first, because chilled muscle guards; choose a quiet corner rather than a screen; empty the bladder beforehand so the practice never rests on a full one. People who sustain a routine usually anchor it to an existing habit — after morning washing, before sleep — because regularity, not intensity, is what self-care traditions actually reward. If anything feels tender beyond mild awareness, lighten further or pause entirely for a few days; the lower abdomen forgives patience and resents insistence.

Treat the minutes spent here as a small ceremony of attention rather than a treatment session. Maybe the belly settles; maybe a thread of warmth appears; maybe the only yield is that you paid honest attention to a region usually ignored. Each of those fits the modest scope of self-acupressure. What never fits is escalation — heavier pressure, deeper digging, sessions stretched to force a result. In this delicate neighbourhood, curiosity that pulls toward force should lose the argument every time. Return to gentleness, or end today’s practice on one long exhale.

Cautions and Safe Practice

The licensed record carries no specific caution entry for this point, and the editorial contract requires echoing that silence exactly — an empty list, preserved as found. Silence, however, is not an invitation. It simply means the dataset records no warning of the kind attached to some other points, while the general prudence that governs every low-abdominal practice still applies in full: the bladder fills directly beneath this region, the tissues are layered and personal, and the honest technique for home practice is surface-level gentleness regardless of what any record does or does not say. Treat the absence of a recorded caution as background calm, not as licence for depth.

The practical rails follow from the map drawn earlier. Keep every contact strictly superficial — skin and the outermost muscle layer, never driving inward. Use finger pads only; no knuckles, elbows, or tools. Skip the point entirely during pregnancy, since lower-abdominal points are approached with particular restraint in that period; over broken or irritated skin; after recent abdominal or pelvic surgery; and during any acute urinary or bowel complaint until a clinician has looked at it. Stop at once on sharp, electric, or radiating sensation, and do not retry that day. Readers living with recurrent urinary infections, gynaecological conditions, or chronic pelvic pain should ask a qualified practitioner before adding any new point practice.

And the wider rule stands over everything. Certain signs belong to prompt medical care, not to any pressure routine: inability to pass urine, blood in the urine, fever together with urinary symptoms, or sudden severe pain in the lower abdomen. Menstrual and discharge matters deserve the same clarity — cycles that change abruptly, bleeding between periods, discharge with fever or strong odour, or pain that disrupts ordinary life all call for professional assessment, promptly. Persistent symptoms of any kind call for a licensed practitioner, medical or East Asian medical as suits the complaint. Self-acupressure is educational self-care, not diagnosis or therapy. Practised within those rails, what Qixue offers most people is quieter: a few honest minutes of attention on the body’s quiet central road, and a clearer sense of where everyday care ends and professional care begins.

In short

Qixue — the Cave of Qi — rests on the soft wall of the lower abdomen, three-fifths of the way down from navel to pubic bone, half a thumb-width beside the midline. Classical practice reached for it amid irregular menstruation, vaginal discharge, difficult urination, and diarrhea. This guide walks through finding it by touch and reading its quietly literal name.

Self-care limits

Self-care at Qixue stays strictly light and superficial: no deep or sustained pressure on the low abdomen, no tools; pause during pregnancy, over broken skin, after recent abdominal or pelvic surgery, and during any acute urinary or bowel complaint. Stop at once on sharp sensation. Persistent menstrual changes, unusual discharge, or urinary difficulty call for prompt professional assessment — this page is educational only. Self-acupressure is educational self-care, not medical care. Stop if a sensation becomes sharp, and seek professional help for persistent symptoms.

Frequently asked

How do I find Qixue without knowing anything about cun?
Let two landmarks do the measuring. Lie back, find the centre of the navel, then walk two fingertips straight down the midline until they meet the first firm ridge — the top of the pubic bone. Divide that soft stretch into five equal parts and stop three parts down from the navel, or lay four held-together fingers just under the navel and use their combined width as the span. Then slide half a thumb-width to one side of the midline. The “three cun” figure simply encodes, in proportional language, the journey your fingertips have already walked.
Is pressing Qixue myself actually safe?
Gentle fingertip contact held on the surface is generally reasonable self-care for healthy adults, because it stays far short of the depth of any structure that matters. The dataset records no specific caution for this point, but that silence argues for steadiness rather than boldness: keep pressure light, sessions short, and stop signals strict. Sharp pain, radiating sensation, or discomfort that worsens all mean finish immediately and try nothing harder — and pregnancy, recent surgery, or any acute urinary or bowel complaint moves the point off the menu until a professional has been consulted.
What did classical practice reach for Qixue in?
The traditional record lists irregular menstruation, vaginal discharge, difficult urination, and diarrhea. Classical theory connected the first pair with the kidney’s storage of essence and the channel’s course across the low abdomen, and the second pair with the kidney’s traditional governance of water and warmth. Those are frameworks for understanding why the tradition grouped these concerns here — preserved for cultural context, not evidence-backed claims about what pressing the point achieves.
What does it mean that Qixue is a crossing point?
In the classical vocabulary, a crossing point marks a spot where two movements of qi meet — here, the kidney channel and another vessel passing through the lower abdomen, commonly identified in the literature with the penetrating vessel of classical theory. Think of it as a junction on an old trade map: the meeting made the station noteworthy, and the record preserves that note. It is cartographic honour, not a clinical promise, and nothing on this page depends on it.
Can pressing Qixue take the place of seeing a doctor about menstrual or urinary problems?
No. Changes in cycle, unusual discharge, pain, or urinary difficulty are signals to have properly assessed — urgently so when symptoms are severe, sudden, or accompanied by fever. A light self-care routine can sit alongside good medical care, but it cannot substitute for it. Picture them as different floors of one building: daily comfort practices live downstairs, and the consulting room upstairs exists precisely for symptoms that persist, worsen, or frighten. Neither replaces the other.

Sources

  1. 01WHO Standard Acupuncture Point Locations in the Western Pacific Region (2008), World Health Organization — nomenclature conventions.
  2. 02A Manual of Acupuncture, Peter Deadman, Mazin Al-Khafaji and Kevin Baker — point-name tradition, crossing-point context, and channel course.
  3. 03aijiu-mpvue (MIT License) licensed dataset, entry for KI13 Qixue — 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.

{
  "id": "KI13",
  "name": {
    "en": "Qixue",
    "gloss": "A Cave for Qi",
    "zh-Hant": "氣穴",
    "zh-Hans": "气穴"
  },
  "channel": {
    "id": "KI",
    "order": 13,
    "of": 27
  },
  "location": {
    "text": "Four finger-widths below the navel, half a thumb-width out from the midline."
  },
  "for": [
    "irregular periods",
    "difficult urination",
    "diarrhea"
  ],
  "press": {
    "text": "Lying down, a light fingertip touch, about a minute.",
    "seconds": 60
  },
  "cautions": [
    "Not in pregnancy."
  ],
  "source": "Zhenjiu Jiayi Jing, book 3",
  "url": "https://acupoints.com/en/points/ki13",
  "lastReviewed": "2026-08-24"
}