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Leaf 7 of 19 · Hand Taiyang
支正

支正 Zhizheng

“Branch to the Main Line” · SI7

Hand Taiyang · 7 of 19 · luo-connecting

Where. On the little-finger edge of the forearm, a little below the midpoint between wrist and elbow.

For. Headache, stiff neck, aching elbow and arm.

Press. Two finger pads, slow circles, one minute each arm.

A Self-Palpation Walkthrough

Set yourself up before you search. Sit at a table, rest the back of your left forearm on the surface with the palm facing down and the elbow softly bent, and let the whole arm go heavy. Find Yanggu first: walk your fingertip along the little-finger edge of the wrist until it settles into the hollow between the ulna’s styloid process and the triquetral bone beside it — that hollow is your starting marker. Then find Xiaohai: bend the elbow, touch the point of the olecranon and the medial epicondyle on the elbow’s inner side, and explore the tender hollow that lies between them; that is your far marker.

Read the whole section ↓
支正二穴,在腕後五寸,別走少陰
“Zhizheng lies five cun behind the wrist, where a branch leaves for the Shaoyin.”《銅人腧穴針灸圖經·卷五》 Tongren Shuxue Zhenjiu Tujing, book 5
Next leaf小海 · SI8 →
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 Zhizheng Sits on the Forearm

Turn the hand so the back of the forearm faces up, and you are looking at the neighbourhood: Zhizheng lives on the little-finger side. The dataset places it on the dorsum of the forearm, on the ulnar side, on the straight line connecting Yanggu (SI5) at the wrist with Xiaohai (SI8) at the elbow, five cun above the dorsal transverse wrist crease — above meaning toward the elbow. A cun is the traditional proportional unit of Chinese point-location, taken from the body being measured rather than from any ruler: the width of the person’s own thumb counts as roughly one cun, so measurements scale naturally from child to adult. By the traditional reckoning the forearm spans twelve cun from wrist crease to elbow crease, which puts the five-cun mark just shy of the halfway point — a comfortable stroll up the line, neither a wrist-edge spot nor an elbow-hugging one.

The terrain along this stretch is plain and honest. The firm ridge of the ulna runs close beneath the skin down the forearm’s little-finger border, so much of the territory is bone-backed country; on either side of that ridge, tendons and muscles go about their ordinary work. Gentle fingertip contact therefore meets skin, a thin cushion of soft tissue, and soon the calm resistance of bone — with nothing delicate hiding close to the surface. Unlike points high on the chest or neck, whose licensed records carry explicit structural warnings, the dataset records no cautions for Zhizheng at all. Forgiving geography does not cancel the universal rules of self-care; it simply means the stakes of ordinary, patient contact are low, and the real risks come from impatience rather than from anatomy.

It helps to picture the line before hunting for the point. Yanggu anchors the wrist end, resting in the hollow between the ulna’s knuckle-like prominence (the styloid process) and a neighboring wrist bone (the triquetral). Xiaohai anchors the far end, in the deep hollow behind the point of the elbow, between the olecranon and the medial epicondyle — the bony bump on the inner side of the elbow — felt most clearly with the elbow slightly bent. Between these markers the small intestine channel draws its course down the limb, and Zhizheng stands at the five-cun mark. Notice that the line slants gently, starting at the ulnar edge of the wrist and ending toward the inner elbow, so the higher you climb it the closer the route drifts toward the body’s midline; keeping the search on the little-finger side throughout prevents most wandering.

A Self-Palpation Walkthrough

Set yourself up before you search. Sit at a table, rest the back of your left forearm on the surface with the palm facing down and the elbow softly bent, and let the whole arm go heavy. Find Yanggu first: walk your fingertip along the little-finger edge of the wrist until it settles into the hollow between the ulna’s styloid process and the triquetral bone beside it — that hollow is your starting marker. Then find Xiaohai: bend the elbow, touch the point of the olecranon and the medial epicondyle on the elbow’s inner side, and explore the tender hollow that lies between them; that is your far marker.

Measure with your own hand. Lay four fingers of the opposite hand together, edges touching, and place their combined width up the line from the dorsal wrist crease, keeping them aligned with the wrist-to-elbow direction and on the little-finger side; traditional measuring counts this span as three cun. Above them, set three fingers together — index, middle, and ring — which add roughly two more cun. Three plus two makes the recorded five. Arrive lightly: many people feel a faint, dull awareness at the true spot and very little a finger-width away, and comparing the two forearms side by side sharpens the picture further.

Three slips account for most misses. The first is wandering onto the palm side of the forearm, where the channel territory changes entirely. The second is measuring from the wrong crease — the front wrist crease rather than the dorsal one — which shifts everything by a finger-width. The third is stopping short at Yanglao (SI6), whose bony gap sits beside the head of the ulna, radial to it, and opens most clearly when the palm turns toward the chest; Yanglao belongs to the wrist-end country, much lower than Zhizheng. Remember too that the line slants inward as it climbs. When in doubt, reset: rediscover both endpoint hollows, then walk the line again slowly, once. Precision matters less than patience; the search itself teaches you the lay of your own forearm.

Reading the Name: Branch to the Main Line

The two characters sketch the point in miniature. Zhi 支 carries the everyday sense of a branch or offshoot, and by extension to branch away and to prop up; zheng 正 means upright, straight, correct — and, in the language of roads and channels, the main or proper course. Read together, Zhizheng suggests the branch and the main line, or the moment a branch departs from the upright trunk. Commentators through the centuries have connected the name with the point’s recorded office as a luo-connecting point: the station where a fine vessel leaves its own channel and strikes out toward the partner channel. Whether or not the etymology began there, the fit is neat, and the name doubles as a diagram.

Pinyin renders the name Zhīzhèng — a flat, high first tone on zhi and a falling fourth tone on zheng. The two characters are compact and visually distinct, easy to memorise at a glance: 支正. Where many points take their names from landscape and architecture — ravines, pools, gates, courtyards — this one borrows the vocabulary of road networks: trunk routes, junctions, and the quiet paths that leave them. For readers meeting pinyin for the first time, the tone marks are helpers rather than hurdles: they record the melody the syllables carry in speech, and ignoring them entirely still leaves a serviceable approximation.

Names of this kind repay slow reading. The main channel is the highway; the luo vessel is the footpath branching away, joining territories the highway never touches. Zhizheng stands at the trailhead. Once you hold that image, several quirks of the classical record fall into place — why a point on the forearm shows up in discussions of the head and neck, why its recorded uses scatter across systems that anatomy treats as unrelated, and why the tradition files it not with the great gathering points but with the connectors, the quiet infrastructure of the network.

A Luo Point: Where Two Channels Shake Hands

Classical teaching assigns each of the twelve principal channels a single luo point, and gathers these with three further connectors into a celebrated set of fifteen for the body as a whole. The job description is consistent across the set: each luo point hosts a fine connecting vessel that parts company with its own channel and travels to the channel paired with it — each yang channel holding hands with its yin counterpart, and the reverse. The connectors are imagined as the network’s secondary roads: lighter than the trunk lines, yet responsible for much of the everyday exchange between neighboring territories.

For the small intestine channel, that connector sets out from Zhizheng. The pairing in question is the classical marriage of the hand taiyang with the hand shaoyin — the small intestine with the heart. Traditional texts describe the connecting vessel leaving the main line at this forearm point and reaching across toward the heart channel’s territory, so that two systems distinct on the surface are taught as continuous underneath. Commentators have long treated this bridge as a tidy explanation for a recurring feature of the classical pages: entries about small intestine points that wander, now and then, into matters of the heart and the spirit.

Whatever one makes of the physiology, the bridge idea organises the point’s recorded portfolio remarkably well. Local duties come with the territory — the elbow and forearm the point lives among. The head and neck enter through the channel itself, whose course classical texts trace from the little finger up the arm to the face and ear. And by the partnership, the point borrows relevance from the heart, which tradition credits with housing the shen, the spirit-mind. That is the framework’s own logic, offered here as cultural context rather than as a claim about the body as modern science maps it.

Traditional Indications, Explained

The licensed record lists seven indications for Zhizheng: headache, stiff neck, aching pain of the elbow and arm, febrile disease, mania, warts, and styes. Read as tradition rather than as promise, the list sorts into clusters. One cluster is local and obvious: the aching elbow and arm belong to the point’s own doorstep. Another gathers the head and neck — headache and stiff neck — which looks natural once the channel map is consulted: classical texts trace the small intestine pathway from the little finger up the back of the arm, over the shoulder and neck, to the face and ear, and in the tradition’s geography the taiyang pair governs the body’s rear surfaces and the head.

The face and senses form their own group. A stye is a small inflamed swelling at the margin of the eyelid, and the channel’s facial course places the eye’s neighbourhood within the pathway’s traditional reach. Febrile disease and mania make up the systemic group, and the pairing story helps explain them: the small intestine is counted among the fire organs, joined to the heart — itself a fire organ whose channel houses the shen — so heat in the body and disturbance of the spirit both found a home in this corner of the classical frame. None of this is offered as mechanism; it is the internal logic of the tradition, showing why one forearm point collected such varied duties.

Warts deserve a sentence of their own, because they are the oddest item on the list and a useful reminder of how freely classical portfolios collected skin complaints. The historical record is what it is, and it is presented here for understanding. For the modern reader, though, the sensible order of operations is clear: any new skin growth, and any growth that changes, bleeds, or refuses to settle, belongs with clinical eyes first, not with a pressure routine.

And the standing honesty clause applies here as everywhere on this site. These indications are transcribed from a licensed dataset and classical literature for cultural and historical understanding; they are not claims that pressing this point treats disease. Where modern research has touched self-applied pressure at all, reviews suggest effects are modest and heavily context-dependent, and evidence tied to any single point remains thin. Hold the tradition as a lens, not a prescription — and let anything persistent be examined by a qualified clinician.

Self-Care Acupressure at Home

Locate the point by the walkthrough above, then settle in: seated, the back of the forearm resting on a cushion or the table’s edge, shoulders easy. Bring the pads of two or three fingers — never the tips, never a knuckle — onto the spot and begin with simple contact, letting the hand learn the texture beneath. After a few slow breaths, add small circles, letting the skin glide over the tissue rather than dragging against it. Aim for a sensation of pleasant dullness or mild spreading warmth; because the ulnar ridge lies close beneath, the feeling of bone underneath the comfort is normal here. A common home rhythm is one to three minutes per side, once or twice daily, matched loosely to the exhale so each circle rides the breath out; then swap arms and repeat.

Quality outranks quantity in this practice, as throughout the wellness register this page keeps. Light, patient, regularly repeated contact is the entire art; harder pressing adds risk without teaching the tissue anything new. Warm your hands first if they run cold, since chilled muscle tightens under touch. Choose a quiet corner rather than a screen, and let the session double as a pause: inhale through the nose, notice the forearm beneath still fingers, lean the smallest degree of pressure into the long exhale. People who keep such routines usually anchor them to existing habits — morning coffee steeping, an afternoon stretch — because regularity, not intensity, is what self-care traditions actually request.

Keep expectations sized to the practice. Self-acupressure is a ritual of attention with a comfortable, modest scope: perhaps the forearm feels looser afterward, perhaps the pause itself is the benefit, perhaps nothing measurable happens at all. Every one of those outcomes is honest. What falls outside the scope is escalation — pressing harder, longer, or more often to force a result — and any hope of the point substituting for care from a qualified practitioner. When curiosity pulls toward escalation, return to gentleness, or close the day’s session early.

Cautions and Safe Practice

Begin with what the record says — and with what it does not. The licensed dataset records no specific cautions for Zhizheng, and the point’s geography supports that calm: the little-finger border of the forearm is bone-backed, and no delicate structure waits close beneath the skin. An empty caution field, though, describes the dataset’s silence rather than an exemption from care; the universal rules that govern every point on this site apply here in full, and the guidance below leans deliberately conservative.

Practical rules, then. Keep contact superficial: finger pads only, light pressure, no tools or devices. Never press through pain. Skip the point over broken, irritated, or recently injured skin, over rashes or healing wounds anywhere on the forearm. Set the practice aside entirely during any feverish or acute illness. Anyone pregnant, or managing a condition or taking a medicine that affects clotting or skin fragility, should ask a qualified practitioner before adding new point work. Sharp, electric, or radiating sensation under the fingers means stopping immediately and leaving the point alone for the day.

Finally, the referral lines, drawn firmly. A sudden severe headache, a stiff neck after injury, or neck stiffness accompanied by fever or numbness calls for prompt medical assessment. A red painful eye, or an eyelid swelling that will not settle, belongs with a clinician; so do skin growths that change, bleed, or persist, and elbow pain following trauma. Acupressure can sit alongside such care as a comfort practice; it cannot precede or replace it. Persistent symptoms belong with a licensed practitioner — Western medicine or East Asian medicine, whichever suits the complaint.

In short

Zhizheng sits partway up the back of the forearm on its little-finger side, where classical teaching stations a fine branch leaving the small intestine channel for the heart channel. Old records reached for it when headache, stiff neck, or an aching elbow troubled someone. This guide walks through finding it by touch and pressing it safely at home.

Self-care limits

Self-care at Zhizheng stays strictly on the surface: fingertip pads only, light pressure, no tools or devices, and nothing over broken, irritated, or recently injured skin. Stop at once on sharp or electric sensation. Set the practice aside during feverish illness. Pregnant readers, and anyone with new or persistent head, neck, eye, or skin symptoms, should speak with a licensed practitioner before adding point work; 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 Zhizheng without knowing anything about cun?
Let your own hand do the measuring. Four fingers held together span about three cun by the traditional reckoning, and three fingers together add roughly two more. Find the dorsal wrist crease, climb the little-finger side of the forearm’s back one span and one smaller span, and stay on the line toward the elbow. Alternatively, anchor the two endpoints — the Yanggu hollow at the wrist and the Xiaohai hollow behind the elbow — and search their connecting line just shy of halfway. The spot that answers with a faint, dull awareness a little apart from its neighbours is the one the dataset describes.
Is pressing Zhizheng myself actually safe?
For healthy adults, gentle fingertip pressure on this stretch of forearm is generally regarded as reasonable self-care: the area is bone-backed, holds no delicate structure close beneath the skin, and the licensed dataset records no specific cautions for this point. Reasonable is not careless-proof, though — keep the touch light, honour the stop signals, and treat any sharp or electric sensation as the end of the day’s session.
What did classical practice use Zhizheng for?
The traditional record lists headache, stiff neck, aching pain of the elbow and arm, febrile disease, mania, warts, and styes. Classical texts describe Zhizheng as the luo-connecting point where the small intestine channel sends a branch toward its partner, the heart channel, and commentators read the point’s varied portfolio through that bridge and through the channel’s course up the arm to the face. These are documented traditional frameworks, offered for context and understanding — not evidence-backed treatment claims.
Why would a forearm point appear in old discussions of headaches and stiff necks?
Chiefly because of the channel itself. Classical texts draw the small intestine pathway starting at the little finger, climbing the back of the arm past shoulder and neck to the face and the ear, which places the head and neck squarely inside its mapped territory; the taiyang channels were further understood as governing the body’s rear surfaces and the head. Add the luo bridge toward the heart channel, and a single forearm point gains traditional reach across an impressively wide map.
What makes a luo-connecting point different from other points?
Each of the twelve principal channels has exactly one, and together with three further connectors they make the celebrated fifteen. Each hosts a fine vessel that departs its own channel for the paired one, working like the network’s secondary roads — lighter than the trunk lines, responsible for everyday exchange between neighboring territories. Zhizheng’s road leads to the heart channel, which is why arm ache and matters of the spirit share space on the same classical page.
When should I skip Zhizheng altogether?
Skip it whenever the forearm skin is broken, rashy, bruised, or recently injured; during feverish or acute illness; and whenever pressing produces sharp, electric, or radiating sensation instead of pleasant dullness. Readers who are pregnant, or who manage conditions or take medicines affecting clotting or skin fragility, should consult a qualified practitioner before beginning. And if any symptom the point traditionally addresses — head, neck, eye, or skin — is new, severe, or stubborn, let a licensed clinician lead.

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 — luo-connecting point theory, point-name tradition, and channel context.
  3. 03aijiu-mpvue (MIT License) licensed dataset, entry for SI7 Zhizheng — 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": "SI7",
  "name": {
    "en": "Zhizheng",
    "gloss": "Branch to the Main Line",
    "zh-Hant": "支正",
    "zh-Hans": "支正"
  },
  "channel": {
    "id": "SI",
    "order": 7,
    "of": 19
  },
  "location": {
    "text": "On the little-finger edge of the forearm, a little below the midpoint between wrist and elbow."
  },
  "for": [
    "headache",
    "stiff neck",
    "aching elbow and arm"
  ],
  "press": {
    "text": "Two finger pads, slow circles, one minute each arm.",
    "seconds": 60,
    "sides": "both"
  },
  "cautions": [],
  "source": "Tongren Shuxue Zhenjiu Tujing, book 5",
  "url": "https://acupoints.com/en/points/si7",
  "lastReviewed": "2026-08-24"
}