風池 Fengchi
“Wind Pool” · GB20
Foot Shaoyang · 20 of 44 · crossing-point
Where. Under the base of the skull, in the hollow between the two neck muscles on each side.
For. Headache; dizziness; a stiff, sore neck.
Press. Gentle pressure down into the neck, never up under the skull; about a minute.
風池二穴，在顳顬後髮際陷中按 · Press with me
Six slow breaths
About a minute. Press as you breathe out, ease as you breathe in.
配 · Pairs with
鄰 · Neighbouring leaves
症 · Often paired with
Where Fengchi Sits on the Nape
The dataset places GB20 on the nape, below the occipital bone, level with Fengfu (GV16), in the depression between the upper ends of the sternocleidomastoid and trapezius muscles. Unpacked into everyday language: the nape is the back of the neck; the occipital bone forms the back wall of the skull, whose central ridge you can feel as a rounded bump in the middle of the back of the head; and level with means sharing one horizontal line with Fengfu, the du-channel point that rests in the midline hollow just beneath that bump. The two named muscles frame the address like canyon walls — the sternocleidomastoid runs from behind the ear down toward the collarbone, while the trapezius fans from the skull’s edge out across the top of the shoulder — and where their upper ends converge under the skull’s rim, they leave a soft groove between them. Notably, the record gives no cun distance at all for this point, because none is needed: the corridor between the two muscles is its own measurement.
What lies within reach of the fingertips here deserves respect. The groove carries skin, a little superficial muscle, and then the busy traffic of the region: blood vessels and nerves threading between neck and scalp pass through this corridor on their way to serve the head, which is why even light pressure there often produces a pronounced dull awareness. Above the groove hangs the skull’s lower edge; behind it lie the deeper structures of the upper neck, territory classical writers left to formal training and modern anatomy maps mark as crowded. None of this argues against touching the point — it argues for patience. The site responds to steady, feather-weight contact and gives its characteristic deep-tissue awareness long before any force would be useful, so force has no place here at all.
Fengchi comes mirrored — one hollow on each side of the midline, twins beneath the skull’s rim. Locating them as a pair keeps the search honest, because equal light touch should feel alike on both sides, and any obvious difference usually means one fingertip has slipped out of its groove. Between them, in the midline, sits Fengfu’s hollow; climbing straight up onto the skull from either Fengchi brings the fingers eventually toward Naokong (GB19), which the record places directly above this point. And the channel explains why such an unassuming hollow matters: the gallbladder pathway, after zigzagging across the side of the head, curves down behind the ear and folds into this nape valley before crossing the shoulder at Jianjing (GB21) and beginning its long descent. The valley is the doorway between the channel’s head journey and its body journey.
A Self-Palpation Walkthrough
Sit upright on a firm chair with both feet down and shoulders released, letting the neck soften; a warm shower beforehand helps stiff muscles forget their guard. Rest the fingertips of both hands on the back of your neck and slide them upward along the midline until they meet the prominent rounded bump at the base of the skull — the external occipital protuberance. Just below that bump lies a soft hollow; register it, because it sets the height you are aiming for. Now keep fingertip contact with the skull’s lower edge and glide outward from the midline, staying under the rim, until you feel two muscular cords rising to meet the bone. Let your pads settle into the soft groove between those cords, level with the midline hollow, and pause there: that resting place is the address the record describes. Repeat with attention swapped side to side so neither hollow is neglected.
A few confirmations help before any pressing begins. Touch feather-light and compare sides: many people notice a faint, dull awareness or mild tenderness right in the groove and almost nothing half a step away in any direction. Turn the head slowly from side to side while the pads stay still — the muscle cords will slide subtly beneath the fingertips while the groove itself holds its ground, confirming you rest between the muscles rather than upon either belly. Check the relationships too: your pads should sit clearly below the skull’s edge, clearly off the midline, and clearly in soft tissue rather than on bone. If what you feel instead is bare bone edge, drift down and outward a fraction until the softness returns.
The classic slips are predictable. Some fingers stop too low and wander down the neck itself, where muscle bellies abound but the point does not live. Others travel too wide and land on the trapezius slope toward the shoulder, or too close and settle on the midline hollow — that hollow belongs to Fengfu, a different address entirely. Still others press onto the skull’s edge itself, where bone offers sensation but not the site. The correction is always the same short sequence: return to the midline bump, drop below it, step outward along under the skull’s rim, meet the cords, and sink gently between them. Re-finding the landmark costs nothing and resets everything.
Reading the Name: Wind Pool
The characters tell the story in miniature. Feng 風 means wind — the movement of air, and by classical extension an outside influence said to slip into the body where it meets the open air. Chi 池 means pool or pond, a hollow where water gathers and stays. Together the name reads Wind Pool: the spot where wind was imagined to collect, as water pools in a low place after rain. Classical teaching treated the nape as the body’s weather-exposed threshold — uncovered, breezy, first to feel a draft — and set at that threshold a gathering-place for the very influence the drafts were thought to carry. Whatever one makes of the old physiology, the image is exact about geography: a low place between high walls, where passing currents settle.
The catalogue tags GB20 as a crossing-point, and classical commentary most often explains the label by describing the yang heel vessel and the yang linking vessel — two of the eight extraordinary pathways of traditional teaching — joining the gallbladder channel here. Converging routes meant outsized importance: a single small address could speak for several territories at once. The point also marks the channel’s twentieth station. Classical descriptions draw the gallbladder pathway surfacing at the outer corner of the eye, zigzagging across the temple and the side of the head, curving down behind the ear, then folding back into this nape valley before climbing over the shoulder and descending the body toward the fourth toe. A humble hollow between two muscles thus became the hinge of the whole route — the moment the channel turns from roaming the head to touring the trunk.
Pinyin renders the name Fēngchí, with a high, flat first tone on feng and a rising second tone on chi — exactly the tones the dataset records. The hanzi pair 風池 is short enough to memorise at a glance. Like many points named for landscape — pools, valleys, wells, ravines, gates — the metaphor does real work: it tells you where currents gather and where a doorway stands. The name is itself a small set of instructions, which may be why practitioners have carried it unchanged across centuries and languages.
Traditional Indications, Explained
The recorded indications read: headache, dizziness, red swollen painful eyes, sinusitis, tinnitus, stroke, insomnia, epilepsy, stiff painful neck, retinal haemorrhage, and optic atrophy — eleven entries, and nearly every one of them a complaint of the head. Framed as tradition rather than promise, the logic runs along the name: if wind gathers at this pool, classical practice traditionally cleared the pool when head wind blew — headaches of many kinds, giddy or heavy-headed dizziness, and the stiff, aching neck that accompanies both. Sinusitis and tinnitus extend the same upstream reasoning to nose and ear, neighbours of the head this gateway serves.
The eye entries deserve their own paragraph. Red swollen painful eyes sits beside retinal haemorrhage and optic atrophy in the record — three ways classical categories described sight in trouble, from surface inflammation to deep failing vision. Traditional maps explain the pairing: the gallbladder channel opens its journey at the outer corner of the eye, and its partner organ, the liver, is classically taught to open into the eyes, so the wood-phase couplet’s pathway was read as a natural address for ocular complaints. It bears stating plainly what these entries are: historical classifications, preserved in a licensed dataset for cultural understanding. Any real change in vision today — blurring, loss, flashes, floaters, pain — belongs with an eye-care professional promptly, not with self-applied pressure.
The gravest entries — stroke, epilepsy, insomnia — ask for the plainest honesty of all. Old records grouped sudden collapse, its aftermaths, and convulsive illness under craft that belonged wholly to formal practice; listing stroke among a point’s traditional uses reflects how classical medicine categorised conditions, never a suggestion that pressing a point answers an emergency. Modern framing must be equally sober: where research touches self-applied pressure at all, reviews suggest effects are modest and context-dependent, and evidence specific to any single point remains thin. These eleven indications are the tradition’s portfolio, documented for context — not promises, and not a substitute for anyone’s clinician.
Self-Care Acupressure at Home
With the point found by the walkthrough above, settle in: seated, spine tall but unforced, hands warmed. Rest the pads of both index or middle fingers in the two grooves and begin with contact alone for a few slow breaths. Then add small, unhurried circles, or simply hold a steady, gentle pressure, letting the sensation stay at pleasant dullness or mild warmth — never sharpness. Pressure aims inward against the neck, never upward probing beneath the skull’s rim. A common home rhythm is one to three minutes per side, once or twice daily, matched where possible to slow exhales; swap hands and sides so both hollows receive identical care, and finish by rolling the shoulders to let everything settle.
Quality matters more than duration. Light, patient, regularly repeated contact fits the wellness register this page practises; hard jabbing at the neck teaches the body nothing and can leave it guarded for days. Cold or tired neck muscles brace instinctively, so warm the hands, unclench the jaw, and choose a quiet moment over a screen-lit one. Many people fold the practice into an existing habit — after morning washing, before sleep — because consistency, not intensity, is what self-care traditions actually request. Pairing the circles with slow nasal breathing turns ninety seconds of pressure into a genuine pause: inhale, feel the neck widen slightly beneath still fingers, press gently as the breath leaves.
Treat the exercise as a small ceremony of attention rather than a treatment session. Notice what changes across weeks: perhaps the shoulders ride lower, perhaps the head feels clearer while you press, perhaps nothing shifts except that you spend a little time each day attending to the place where your own head rests on your spine. 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 hollow be a hollow.
Cautions and Safe Practice
This point earns more caution than most, and the licensed record says so outright. For professional practice, the dataset warns that work at this site must aim toward the tip of the nose — never upward, never deeply — since deep or misdirected insertion risks puncturing vessels near the brain stem. Geography explains the warning: behind this slender groove run major vessels bound for and from the brain, and the structures of the lower skull base lie closer to the surface here than almost anywhere else on the head. Professional training manages that risk with precise technique and years of study; home self-care manages it far more simply — by never leaving the surface at all. Fingertip pressure that stays in skin and superficial muscle cannot approach the territory that warning describes.
For fingertip acupressure the practical rules follow plainly. Use finger pads only — no knuckles, elbows, or tools — and keep every ounce of intention in the surface layers, directed down into the neck rather than up beneath the skull. Never press through pain, while holding the breath, or into any sense of electric shock: sharp, radiating, or worsening sensation means stop at once and do not try again that day. Skip the point during acute dizzy spells, feverish illness, or over broken or irritated skin; be cautious after any recent neck injury or procedure until a clinician clears ordinary activity. Pregnant readers, and anyone living with neurological or cardiovascular conditions, should consult a qualified practitioner before adding any new point practice.
And over everything stands the wider rule. Sudden, severe headache unlike any before; dizziness with slurred speech, facial droop, limb weakness or numbness; fainting; seizure; abrupt change in vision — these are emergency signs, and they call emergency services, not a pressure routine. Persistent headache, recurring dizziness, or neck stiffness that will not settle deserves scheduled assessment by a licensed practitioner, medical or East Asian medical as suits the complaint. This page is educational only; acupressure is self-care, not diagnosis or therapy. The Wind Pool imagery is lovely, but the safest gift Fengchi offers most people is a kinder acquaintance with the place where the head rests on the shoulders, touched lightly and respected well.
Fengchi, the Wind Pool, waits in the hollow between the two great muscles of the nape, just below the back edge of the skull — the gallbladder channel’s celebrated gateway where head meets neck. Tradition gathered here when headache, dizziness, or burning eyes troubled a person. This guide walks through finding it by touch and pressing it gently, safely, and within its limits.
Cautions from the classical sources
- Aim the needle toward the tip of the nose, never upward or deep; a deep or misaimed needle can pierce vessels near the brain stem.
Self-care limits
Frequently asked
- How do I find Fengchi without knowing anything about cun?
- Use the skull and the two muscles as the entire map — the record gives no proportional measurements for this point anyway. Find the rounded midline bump at the back of the skull, drop your finger into the hollow just below it, then glide outward along under the skull’s rim until two muscular cords rise to meet the bone. Settle into the groove between those cords, level with the midline hollow: that is the address.
- Is pressing Fengchi myself actually safe?
- Gentle fingertip pressure held on the surface is generally reasonable self-care for healthy adults. The recorded danger concerns professional work taken deeply or angled upward toward the skull base, where vessels run close to the brain stem — a category home acupressure never approaches. Keep the touch light, aim your pressure down into the neck rather than up under the bone, and honour the stop signals: sharp, electric, or worsening sensation means finish immediately.
- What did classical practice use Fengchi for?
- Eleven indications appear in the record: headache, dizziness, red swollen painful eyes, sinusitis, tinnitus, stroke, insomnia, epilepsy, stiff painful neck, retinal haemorrhage, and optic atrophy. Classical texts describe the point as the Wind Pool where outside wind gathers at the nape’s threshold, which is why complaints of the head, eyes, and neck dominate its historic portfolio. Those are traditional frameworks, documented for context — not evidence-backed treatment claims.
- Why does the gallbladder channel dip into the nape?
- Classical channel theory draws the pathway surfacing at the outer corner of the eye, zigzagging across the side of the head, curving down behind the ear, then folding back into this muscle-valley before crossing the shoulder and descending the body to the fourth toe. The detour routes the channel through the crossroads between head and trunk — which is how one small nape hollow came to speak, in traditional practice, for so much of the head above it.
- Can pressing Fengchi replace seeing a doctor about headaches or dizziness?
- No. Self-acupressure is a comfort practice with no diagnostic power. Sudden severe headache, dizziness accompanied by weakness, numbness, slurred speech or facial droop, fainting, seizure, or sudden vision change all require emergency assessment immediately — never a pressure routine. Symptoms that merely persist deserve a scheduled examination. Think of the two as different floors of one building: daily self-care lives downstairs, clinical medicine keeps the consulting room upstairs, and neither substitutes for the other.
Sources
- 01aijiu-mpvue (MIT License) licensed dataset, entry for GB20 Fengchi — location, point class, actions, and caution record.
- 02WHO Standard Acupuncture Point Locations in the Western Pacific Region (2008), World Health Organization — nomenclature conventions.
- 03A Manual of Acupuncture, Peter Deadman, Mazin Al-Khafaji and Kevin Baker — point-name tradition, crossing-point lore, and channel-course context.
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/gb20/leaf.json
- GET /zh-hant/points/gb20/leaf.json
- GET /zh-cn/points/gb20/leaf.json
- /llms.txt — the index of every leaf
- JSON-LD in the page: MedicalWebPage, MedicalEntity and FAQPage
{
"id": "GB20",
"name": {
"en": "Fengchi",
"gloss": "Wind Pool",
"zh-Hant": "風池",
"zh-Hans": "风池"
},
"channel": {
"id": "GB",
"order": 20,
"of": 44
},
"location": {
"text": "Under the base of the skull, in the hollow between the two neck muscles on each side."
},
"for": [
"headache",
"dizziness",
"a stiff",
"sore neck"
],
"press": {
"text": "Gentle pressure down into the neck, never up under the skull; about a minute.",
"seconds": 60
},
"cautions": [],
"source": "Tongren Shuxue Zhenjiu Tujing, book 3",
"url": "https://acupoints.com/en/points/gb20",
"lastReviewed": "2026-08-24"
}