外關 Waiguan
“Outer Pass” · TH5
Hand Shaoyang · 5 of 23 · luo-connecting, eight-confluent point (opens the yang wei vessel)
Where. Three finger-widths above the back wrist crease, between the two forearm bones.
For. Headache; ringing ears; aching arm.
Press. Light fingertip pressure, about a minute each arm.
外關,手少陽絡,在腕後二寸陷者中按 · 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 Waiguan Sits on the Forearm
Turn the palm down and look at the back of your forearm. The dataset places Waiguan on the line that connects Yangchi (TH4) — the hollow on the dorsal wrist crease — with the tip of the elbow, sitting two cun above the dorsal transverse wrist crease, between the radius and the ulna. Unpacked: the radius is the forearm bone on the thumb side, the ulna the one on the little-finger side, and the point occupies the middle ground of the corridor those two bones bracket. A cun, as ever in this system, is a proportional measure taken from the person being examined rather than a fixed centimetre value; the width of the first joint of your own thumb is the traditional working approximation of one cun, so two cun means about two thumb-widths straight up from the crease along the Yangchi-to-elbow line. The landmark method below spares you any arithmetic.
Neighbours orient the map. Below sits Yangchi itself, level with the dorsal crease; above, on the same line, the next station is Zhigou (TH6), recorded three cun above the crease — one cun beyond Waiguan, roughly a further thumb-width toward the elbow. The sequence makes the geography legible: leaving Yangchi, the channel steps off the open ground of the hand onto the narrow causeway of the forearm, and Waiguan marks an early milestone on that causeway, squarely between the bones. Run a fingertip slowly up the back of the wrist and you can often feel this corridor directly — a soft lane running between the two bone edges, easing slightly wider as it travels toward the elbow.
What lies beneath deserves a moment of respect before pressing starts. Here the skin lies over the flat extensor muscles that fill the space between the two bones — the muscles that lift the fingers and steady the wrist — and deeper still travel the vessels and nerves serving the hand. None of that sits close enough to trouble light fingertip contact, which is precisely why the rule for this point is so simple: everything stays strictly superficial. The forearm forgives a searching finger far more readily than chest or wrist do, but it rewards patience in exactly the same way — the spot announces itself to a quiet hand, not a forceful one.
A Self-Palpation Walkthrough
Sit comfortably and rest your left forearm on a table, palm down, fingers curled loosely. Begin by finding Yangchi at the crease: clench the fist gently and watch the cord of the finger-extensor tendon rise down the middle of the wrist’s back; release, and feel for the small hollow just on the little-finger side of that cord, level with the dorsal crease. Now place the pad of your right index finger in that hollow and walk it slowly upward along the line toward the point of the elbow, counting off about two thumb-widths. Near the end of the second thumb-width the character of the ground changes: the fingertip settles between the two forearm bones, into soft tissue that yields gently where a bone edge lies on either side. That yielding corridor, two cun above the crease, is the location the dataset describes. Swap hands so both arms receive the same attention.
A few confirmations help before any real pressing begins. Touch feather-light and compare sides: many people notice a faint, dull awareness at the true spot and little sensation half a finger-width away, and the two sides rarely feel identical. Let the fingers of the resting hand curl and uncurl slowly while your exploring fingertip stays put — the tendons around the corridor tighten and slacken while the space between the bones holds quietly still, confirming you are between structures rather than on top of one. Check the distance too: the spot should sit clearly above the crease yet well short of the forearm’s midpoint. If you land on bare bone, slide off the edge toward the centre of the corridor and search again a few millimetres at a time.
The usual slips are easy to name. Stopping too soon leaves you near the crease, in Yangchi’s country rather than Waiguan’s; walking too far carries you toward mid-forearm, approaching Zhigou’s neighbourhood at three cun. Drifting sideways sets the fingertip on a tendon cord or a bone edge instead of the soft lane between them. Whenever the search loses its way, return to the opening ritual — crease found, hollow felt, line chosen, two thumb-widths climbed — and begin again unhurried. The point is a small zone, not a pinhead, and calm repetition finds it faster than pressure ever could.
Reading the Name: Outer Pass
The two characters sketch a border post. Wai 外 means outer or exterior — the side away from the body’s midline, the surface the world touches. Guan 關 means pass or gate: the barrier station set where a road threads through high country, the checkpoint that decides what comes and goes. Read together as Outer Pass, the name fits twice. First, the point stands on the outer face of the forearm, the yang aspect in classical anatomy. Second, its name answers another point across the arm — Neiguan, the Inner Pass (PC6) of the pericardium channel, seated on the palm side at the same height, two cun above the palmar crease. The San Jiao and pericardium channels are classical partners, an interior–exterior pairing, and tradition wrote that partnership directly onto the forearm: one pass facing in, one facing out.
The name also carries the two offices listed in the dataset’s category field. Classical teaching assigns each of the twelve principal channels a connecting point — a luo point — from which a small branch pathway departs to link the channel with its partner; the record names Waiguan as the San Jiao channel’s, and the traditional descriptions have that branch reaching across toward the pericardium side. The second office is among the eight confluent points: classical theory selects eight limb stations and entrusts each with a doorway onto one of the eight extraordinary vessels, and the record lists Waiguan as opening the yang wei vessel — the vessel classical maps describe as weaving the body’s yang surfaces together. Classical practice commonly read it alongside a companion confluent point on the top of the foot. Add the sheer length of the route — twenty-three stations from the ring finger to the temple and brow — and the breadth of the traditional portfolio below stops looking strange: a post on such a highway collects questions from everywhere the road runs.
Pinyin writes the name Wàiguān. The syllable wai falls sharply through the fourth tone — the falling voice dictionaries mark with a grave accent, starting high and dropping away; guan then holds the first tone, flat, level and high, like a sustained note. The hanzi pair 外關 is compact enough to memorise at a glance. Gate imagery runs deeper than decoration here: in the traditional frame this was a station where what had arrived from outside might be seen back out through the gate, which is why classical discussions so often reach for it when external illness shows itself with fever. As with gates, valleys and courtyards throughout this system, the metaphor does real work — it says the tradition treated the spot as a checkpoint, not a warehouse.
Traditional Indications, Explained
The licensed record lists ten traditional applications: febrile disease; headache; cheek pain; red swollen eyes; tinnitus; deafness; sore throat; hypochondriac pain; painful obstruction of the upper limb; and cervical scrofula. Read as a landscape rather than a pharmacy list, three clusters emerge. The first gathers the exterior: febrile disease, headache, sore throat — the picture of an external illness arriving. The second collects the head and senses: cheek pain, red swollen eyes, tinnitus, deafness. The third spans trunk and limb: hypochondriac pain, painful obstruction of the upper limb, and cervical scrofula, the old pattern-name for nodular swellings of the neck.
Each cluster carries its own traditional logic. The exterior cluster follows from standing: a channel running the body’s yang surfaces, tied by its confluent office to the vessel those maps describe as linking yang with yang, made a natural station for classical writers discussing how the body meets an arriving external illness — hence the old habit of reaching here when fever and headache first stirred. The sensory cluster follows the mapped route: from the forearm the pathway climbs the outer arm, crosses the shoulder country, passes beside the ear and onward toward temple and brow, so discomfort appearing along that road was approached at stations on the way. The trunk entries draw on the classical descriptions that send part of the pathway down through the chest and side, while the upper-limb entry is simply local knowledge — the point lives on the forearm the ache crosses. Cervical scrofula belongs to older medicine’s vocabulary for persistent neck swellings; today any lump in the neck that does not settle calls promptly for proper medical assessment, and the historical term is offered purely as context.
It bears repeating 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 disease. Several translate poorly into modern life — fever, new or worsening hearing loss, persistent ringing, or a neck lump belong with medical professionals promptly, not with a pressure routine. Where modern research has touched self-applied pressure at all, reviews suggest effects are modest and context-dependent, and evidence tied to any single point remains thin. Hold the tradition lightly, and hold the safety rules firmly; the remaining sections do exactly that.
Self-Care Acupressure at Home
With the corridor located by the walkthrough above, settle in: seated, forearm supported on a table, palm down, wrist neutral rather than bent. Warm your hands first — chilled fingers make tissue guard. Place the pad of your opposite thumb or index finger on the spot and begin with contact alone for a few slow breaths; then add small, unhurried circles, letting the skin glide over the tissue beneath rather than grinding down toward bone. Pressure should register as pleasant dullness or mild warmth, never sharpness. A common home rhythm is one to three minutes per side, once or twice daily, matched where possible to slow exhales so each circle rides the breath out. Swap hands and treat both arms alike, keeping the sessions symmetrical.
Quality outranks intensity, as everywhere in self-care. Choose a quiet interval when the arm is idle — never press while typing, carrying, or gripping a rail — and keep fingernails trimmed so the pad rather than any edge meets the skin. No tools belong in this work; rollers and pointed devices concentrate force in ways fingertips were never meant to. People who keep the habit usually anchor it to something already in the day — the kettle boiling, a laptop closed for lunch — because regularity, not heroics, is what home practice asks for. If the forearm feels tender afterward, the pressure exceeded what the tissue welcomed; step lighter next time rather than pushing through.
Treat the session as a short ceremony of attention rather than a repair job. Notice what accumulates across weeks: perhaps the forearm feels less guarded when you wake, perhaps the shoulder drops a notch while you press, perhaps nothing shifts except that you spent two minutes caring for an arm that works all day without thanks. 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, or continuing through pain hoping persistence converts into benefit. When curiosity pulls toward force, return to gentleness, or set the practice down for the day.
Cautions and Safe Practice
Waiguan arrives with a quiet file: the licensed dataset records no cautions for this point, and the echo of that record in this module is deliberately empty. Quiet is not careless, though. The forearm keeps its wiring close — vessels and nerves run the corridor between the bones, deeper than fingertips reach but nearer the surface than most people imagine — so the standing rule remains what it is everywhere on this site: contact stays gentle, superficial, and unhurried. Light fingertip pressure engages skin and the first layer of muscle and nothing more; force driven inward is another matter entirely, and home practice simply never has a reason to go there.
Practical limits follow. Skip the point whenever the skin over the area is cut, abraded, blistered, or inflamed, and while any skin condition there is active. Pause entirely after a recent forearm injury — fracture, sprain, burn, surgery — until ordinary use of the arm has been cleared by someone qualified. People who are pregnant, and anyone living with a chronic illness, do well to consult a qualified practitioner before beginning new point practices of any kind. During every session the stop signals stand: sharp, electric, or radiating sensation means finish at once and do not try again that day; numbness or tingling brought on by pressing is the same signal wearing slower clothes.
And the wider rule stands over everything: this page is educational, and acupressure is self-care, not diagnosis or therapy. Seek prompt medical attention — not a longer pressing session — for fever that runs high or will not settle, a worsening or unusual headache, hearing changes new or worsening, ringing that persists, a lump in the neck that does not go away, or pain under the ribs that stays. Persistent symptoms of any kind belong with a licensed practitioner — medical or East Asian medical, as suits the complaint. The Outer Pass makes a fine place to visit gently; anything that frightens you deserves the main road to proper care, taken without delay.
Waiguan, the Outer Pass, sits on the back of the forearm two cun above the wrist crease, between the two forearm bones. Classical teaching gave it a double office — connecting point of the San Jiao channel and one of the eight confluent points — and reached here for fevers, headaches, and troubles of ear and throat. This guide covers finding it by touch and pressing it gently.
Self-care limits
Frequently asked
- How do I find Waiguan without knowing anything about cun?
- Use the crease and your own thumb. Find the dorsal wrist crease, settle into the Yangchi hollow beside the central tendon on its little-finger side, then climb the line toward the tip of the elbow about two thumb-widths until the fingertip settles into the soft lane between the two forearm bones. The cun measurements simply encode that same walk in proportional language.
- Is pressing Waiguan myself actually safe?
- For healthy adults, light fingertip pressure held on the surface is generally reasonable self-care: the point sits over muscle in the corridor between the two forearm bones, and gentle contact engages hardly any of what matters beneath. The dataset records no special caution for this point, but the universal rules still govern — no tools, no force inward, nothing over broken skin, and an immediate stop on sharp or electric sensation.
- What did classical practice use Waiguan for?
- The traditional record gathers ten entries: febrile disease, headache, sore throat, cheek pain, red swollen eyes, tinnitus, deafness, hypochondriac pain, painful obstruction of the upper limb, and cervical scrofula. Its double office — connecting point toward the partner channel and confluent point of the yang wei vessel — helps explain why a forearm station carried questions from head to hand. Those are traditional frameworks, documented for context, not evidence-backed treatment claims.
- Why does a forearm point carry ear and throat entries?
- Because of where the channel travels. Classical maps trace the San Jiao pathway from the ring finger, across the back of the hand, up the outer forearm and arm past this point, over the shoulder country, and past the ear toward the temple and brow. A station on that road was traditionally consulted for trouble appearing further along it — hence the ear, eye, cheek, and throat entries gathered under a forearm name.
- Can pressing Waiguan replace medical care for a fever or sore throat?
- No. Self-acupressure is a comfort practice, not a diagnostic tool, and a fever or sore throat can be the visible edge of anything from a passing cold to something needing prompt assessment. Think of daily self-care and clinical medicine as different floors of the same building: the quiet routine lives downstairs, and the consulting room upstairs opens whenever symptoms persist, escalate, or frighten you. 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, luo-point and confluent-point theory, and channel context.
- 03aijiu-mpvue (MIT License) licensed dataset, entry for TH5 Waiguan — location, point class, 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/th5/leaf.json
- GET /zh-hant/points/th5/leaf.json
- GET /zh-cn/points/th5/leaf.json
- /llms.txt — the index of every leaf
- JSON-LD in the page: MedicalWebPage, MedicalEntity and FAQPage
{
"id": "TH5",
"name": {
"en": "Waiguan",
"gloss": "Outer Pass",
"zh-Hant": "外關",
"zh-Hans": "外关"
},
"channel": {
"id": "TH",
"order": 5,
"of": 23
},
"location": {
"text": "Three finger-widths above the back wrist crease, between the two forearm bones."
},
"for": [
"headache",
"ringing ears",
"aching arm"
],
"press": {
"text": "Light fingertip pressure, about a minute each arm.",
"seconds": 60,
"sides": "both"
},
"cautions": [],
"source": "Zhenjiu Jiayi Jing, book 3",
"url": "https://acupoints.com/en/points/th5",
"lastReviewed": "2026-08-24"
}