間使 Jianshi
“The Intermediary Envoy” · PC5
Hand Jueyin · 5 of 9 · jing-river
Where. Four finger-widths above the wrist crease on the palm side, between the two tendons.
For. Palpitations; stomach ache; sore throat.
Press. Light fingertip pressure, about a minute each arm.
間使者，金也。在掌後三寸，兩筋間陷者中按 · Press with me
Six slow breaths
About a minute. Press as you breathe out, ease as you breathe in.
鄰 · Neighbouring leaves
Where Jianshi Sits on the Forearm
Turn a hand palm-up and look at the inner forearm: this is the palmar aspect, the side the dataset’s location describes. Jianshi sits on the line connecting Quze (PC3), which crosses the elbow crease, with Daling (PC7), which crosses the wrist crease, placed three cun directly above the wrist crease and squarely between the tendons of palmaris longus and flexor carpi radialis. A cun is the traditional proportional unit of Chinese point-location, taken from the person being examined rather than from a ruler; for most adults, one thumb-width at the knuckle serves as a working approximation. Three cun above the crease therefore means three thumb-widths measured up the forearm, always away from the wrist and toward the elbow.
The two tendons deserve a proper introduction, because they are the signpost the whole family of points hangs upon. With the palm facing up, the cord of flexor carpi radialis runs toward the thumb side of the wrist, and the flatter band of palmaris longus lies just beside it, on the little-finger side of that tendon. Making a loose fist, or pressing the fingertips firmly against one another, raises both cords like bridge cables under the skin. The channel’s points occupy the soft corridor between them, and Jianshi holds that corridor at the three-cun level, with nothing beneath the skin there but cushioning tissue and working muscle.
Neighbors confirm the address. Neiguan (PC6) occupies the same groove one thumb-width closer to the wrist, recorded at two cun above the crease, while Ximen (PC4) stands farther up at five cun. The whole sequence shares a single corridor because classical descriptions draw the pericardium channel setting out from the chest, running down the inner arm toward the middle finger, and surfacing its nine named points along the way. Finding any one of them means finding the same tendon gap first; only the counting differs.
A Self-Palpation Walkthrough
Sit comfortably and rest the forearm on a table, palm turned to the ceiling, hand open and relaxed. Make a loose fist once or twice, or press the pad of the thumb against the fingertips, and watch the two cords rise above the wrist crease: flexor carpi radialis nearer the thumb, palmaris longus just toward the little-finger side of it. Lay the index finger of the other hand in the valley between those cords, right at the wrist crease, then walk it straight up the forearm — away from the hand, toward the elbow — for three thumb-widths. Where the finger settles into the same soft groove, roughly a quarter of the way up the forearm from the crease, is Jianshi.
Several checks make the placement trustworthy before any pressure begins. Release the fist so the tendons soften, and feel that the fingertip still rests between their lines rather than atop either one. A few people are born without a palmaris longus, so that only one cord rises; in that case, search the soft interval just toward the little-finger side of the flexor carpi radialis cord at the same three-thumb-width level. Touch feather-light and compare sides; many people notice a faint, dull awareness or slight ache at the true point that a finger-width to either side lacks. Then trace an imaginary line down the groove toward the wrist and confirm it aims between the two cords exactly, drifting neither toward the thumb-side edge of the forearm nor the little-finger edge. If everything lines up, the point is beneath your finger; if anything feels off, return to the wrist crease and begin the count again.
The classic errors are few and easy to correct. Sliding off the tendon gap toward the outside of the forearm lands among muscle bellies that feel blunt and undefined; sliding inward does much the same on the other side. Stopping too soon leaves the finger in Neiguan’s territory, one thumb-width short of the mark, so recount whenever the distance feels uncertain. And measuring downward from the elbow reverses the direction of travel: the record counts upward from the wrist crease, and every careful search honours that anchor.
Reading the Name: The Intermediary Envoy
The name rewards slow reading. Jian 間 means a space between things, an interval, even a room — dictionaries give the reading jiān for these senses, a flat, high, level first tone, and the character sets light inside a door frame, a picture of a gap. Shi 使 in this compound keeps its older sense of envoy or deputy rather than the everyday use or cause, spoken shǐ with a dipping third tone. Together the pair reads as the intermediary envoy, or by some renderings the intermittent envoy: a messenger who travels back and forth through the spaces between.
Commentators have long connected the image to the point’s office. Classical texts describe the pericardium channel setting out from the chest — the seat of the heart and of its protective envelope — and traveling down the inner arm toward the middle finger, and a post midway along the forearm suits the picture of a relay where messages pass between interior and exterior. Writers have also linked the interval half of the name with complaints that come and go: old records group wave-arriving, malaria-style fevers among this point’s traditional indications, and some readers hear the name echoing that rhythm of departure and return.
The catalogue records a second identity as well: Jianshi is the jing-river point of its channel. Classical teaching sorts the first five points of each channel, above the fingers or toes, into five stages named for water gathering downhill — well, spring, stream, river and sea — with the river stage marking where the flow widens and gathers volume on its seaward way. The same teaching assigns chills-and-fever complaints to the river points generally, a framing that sits neatly beside the intermittent fevers in this point’s record. These are organizing metaphors of the tradition rather than anatomy, but they shaped centuries of point selection.
Traditional Indications, Explained
The licensed dataset lists eight traditional indications for Jianshi: cardiac pain, palpitations, mania and epilepsy, stomachache, vomiting, malaria, arm pain and sore throat. Framed as history rather than promise, the heart-related entries lead the logic of the channel: the pericardium is the heart’s envelope, and classical practice approached disturbances of heartbeat and chest sensation largely through points of this channel. Palpitations meant the heart knocking or racing in one’s awareness; cardiac pain meant dull oppression and ache about the chest — not the sudden, crushing pain that has always belonged to emergency medicine, and still does today.
The spirit-level entries read less strangely once the frame is granted. Mania and epilepsy stood in classical records for grave disruptions of mind and manner — agitation, or collapse with convulsions — and the tradition routed such upheavals around the heart-envelope through its own points, alongside others. Stomachache and vomiting belong to corridor reasoning: discomfort surging up through the chest and the pit of the stomach was met along the inner-forearm line where the channel runs nearest the surface. Malaria, finally, names the fever that arrives in waves discussed under the name itself — an illness the old literature confronted constantly.
Why a forearm point appears against sore throat or arm pain follows the tradition’s own principles — distant points serving distant complaints according to channel relationships — rather than any modern anatomical map, and honest commentary leaves it there. It bears repeating plainly: these are the traditional uses recorded in a licensed dataset and classical literature, offered for cultural and historical understanding. They are not claims that pressing this point treats disease. Where modern research touches self-applied pressure at all, reviews suggest effects are modest and context-dependent, and evidence specific to any single point remains thin.
Self-Care Acupressure at Home
With the point located, settle in: seated at a table, the chosen forearm resting palm-up on a folded towel, shoulders easy. Place the pad of the opposite thumb in the groove — pads, never tips — and begin with plain contact for a few slow breaths. Then add small circles, letting the skin glide over the tissue beneath; the sensation should register as pleasant dullness, gentle ache or mild warmth, never sharpness. A common home rhythm is one to three minutes per side, once or twice daily, timed where possible to unhurried exhales so each circle rides the breath out. Swap hands afterward, find the mirror-image spot on the other arm, and keep the two sessions symmetrical.
Quality outranks duration here, as everywhere in self-care. Light, patient, regularly repeated contact fits the wellness register this page practises; jabbing force teaches the body nothing and earns a bruised forearm into the bargain. Warm cold hands before starting, because chilled muscle guards. Choose a quiet corner over a screen, and let the minute double as a breathing pause: inhale through the nose, feel the forearm soften beneath still fingers, add the gentlest extra weight on the long exhale. Readers who keep routines often anchor the practice to something already habitual — morning coffee, an afternoon stretch — because consistency, not intensity, is what these traditions actually ask for.
Treat the exercise as a small ceremony of attention rather than a treatment session. Across weeks, notice what changes: perhaps the forearm releases more readily, perhaps the pause itself becomes the valued part, perhaps nothing measurable shifts except that you spend two minutes attending to your own body. 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. When curiosity pulls that way, return to gentleness, or simply close the day’s practice early.
Cautions and Safe Practice
An unusual feature deserves plain statement: the licensed dataset records no specific caution entry for this point. Nothing about the inner forearm matches the danger geography of the high chest wall, where only thin layers separate skin from lung; here the surface lies over muscle and bone, with no delicate cavity beneath. Yet the absence of a recorded warning is not permission for force. Datasets note what their sources saw fit to record, and every universal rule of gentle self-care still governs this point as it governs all the others.
Practical rules follow. Use finger or thumb pads only — never elbows, knuckles or tools — and keep pressure at the depth of pleasant dullness. Skip the point over broken, irritated or infected skin, over swellings or unhealed injury anywhere along the forearm, and throughout feverish illness. Anyone recently injured or operated on around the wrist or forearm should wait until ordinary activity is cleared by a professional. Pregnant readers should consult a qualified practitioner before adding any new point practice. And sharp, electric or radiating sensation means stop at once; the day’s practice ends there.
The wider rule stands over everything: this page is educational, acupressure is self-care, and neither diagnoses nor treats anything. Heart-related symptoms deserve particular respect — chest pain or pressure, breathlessness, fainting, or a racing heartbeat that will not settle call for prompt medical assessment, never a longer session on the forearms. Persistent symptoms of any kind belong with a licensed practitioner, medical or East Asian medical as suits the complaint. The envoy imagery is elegant, but the most useful message this messenger carries home is ordinary wisdom: pay attention kindly, and seek help when the body asks for it.
Jianshi, the Intermediary Envoy, waits on the front of the forearm three cun above the wrist crease, in the groove between two long tendons. Classical practice reached for it when the heart pounded, the chest ached, or fevers came and went in waves. This guide walks you to the point by touch and shows how gentle self-acupressure stays safe around it.
Self-care limits
Frequently asked
- How do I find Jianshi without knowing anything about cun?
- Let the wrist crease be your zero mark and the tendons your road. Turn the palm up, make a loose fist to raise the two cords, and lay a finger in the valley between them. Then measure three thumb-widths straight up the forearm toward the elbow — or lay the four fingers of the other hand, held together, across the forearm, which spans about the same distance. Wherever the finger still rests between the tendon lines is the spot.
- Is pressing Jianshi myself actually safe?
- Gentle fingertip pressure held at the surface is generally reasonable self-care for healthy adults, and unlike some regions of the body this point carries no recorded caution entry in the licensed dataset. The inner forearm overlies muscle and bone rather than any delicate cavity. The general rules still bind: stop on sharp or radiating sensation, avoid damaged skin, and defer to a practitioner during pregnancy or recovery from forearm injury.
- What did classical practice use Jianshi for?
- The traditional record lists cardiac pain, palpitations, mania and epilepsy, stomachache, vomiting, malaria, arm pain and sore throat. Classical theory read the first two through the heart-envelope idea, and connected the wave-arriving fevers with the interval-envoy name itself. Those are frameworks for understanding the body, documented for cultural context — not evidence-backed treatment claims.
- What does the jing-river label mean?
- Classical teaching names the first five points of each channel after stages of water flowing downhill: well, spring, stream, river and sea. A river point marks where the current has widened and gathered volume, and the same teaching associates river points broadly with chills-and-fever patterns. Jianshi holds that office on the pericardium channel. The labels organize the tradition’s thinking; they are metaphors, not measurements.
- My wrist already knows Neiguan — how is Jianshi different?
- Same groove, different address: Neiguan sits two cun above the wrist crease and Jianshi three, so the two lie about a thumb-width apart on most bodies. In the classical catalogue they hold different offices — Neiguan is a connecting point, Jianshi the river point — and the old records reach for them in different chapters. This page describes placement and tradition only; it makes no claim that one works better than 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, jing-river theory, and channel context.
- 03aijiu-mpvue (MIT License) licensed dataset, entry for PC5 Jianshi — 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.
- GET /en/points/pc5/leaf.json
- GET /zh-hant/points/pc5/leaf.json
- GET /zh-cn/points/pc5/leaf.json
- /llms.txt — the index of every leaf
- JSON-LD in the page: MedicalWebPage, MedicalEntity and FAQPage
{
"id": "PC5",
"name": {
"en": "Jianshi",
"gloss": "The Intermediary Envoy",
"zh-Hant": "間使",
"zh-Hans": "间使"
},
"channel": {
"id": "PC",
"order": 5,
"of": 9
},
"location": {
"text": "Four finger-widths above the wrist crease on the palm side, between the two tendons."
},
"for": [
"palpitations",
"stomach ache",
"sore throat"
],
"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/pc5",
"lastReviewed": "2026-08-24"
}