Yutang

What is CV18?

CV18 (Yutang) is a point on the Conception Vessel, sitting on the breastbone at the level of the third rib space. Its Pinyin name, Yutang, is usually translated as "Jade Hall".

The Conception Vessel runs up the front midline of the body, from the pelvic floor to the chin. CV18 is one of a ladder of points spaced along the sternum (breastbone). In classical texts it is grouped with its neighbours as a chest point, linked to breathing, coughing and a feeling of fullness or tightness in the chest.

Two things are worth saying plainly before anything else, and they will not be repeated in every section below. First, the fact that a point has been named and used for two thousand years tells you that people valued it; it does not tell you that pressing it changes anything measurable. Second, long tradition is not a safety certificate either. CV18 sits directly over bone, close to the heart and lungs, and that anatomy matters more than its pedigree.

The honest verdict on evidence: there is essentially no controlled human research on CV18 specifically. Acupressure as a whole has some decent evidence in narrow areas, most famously PC6 on the wrist for nausea and vomiting. CV18 is not one of those areas. What exists for the chest midline is mostly case reports, small uncontrolled series and tradition.

That does not make self-applied finger pressure on CV18 useless to you. Light pressure on the breastbone, paired with slow breathing, is calming for many people, and it is cheap and low-risk if you follow the cautions. It just means you should treat any claim that CV18 treats asthma, heart disease or reflux as unproven. This page is about finger pressure only. No needles, no heat, no skin-breaking techniques of any kind.

Where is CV18 and how do you find it?

CV18 sits exactly on the midline of the sternum (breastbone), roughly two finger-widths above the level of the nipples.

• Start at the notch. Put a fingertip in the soft hollow at the base of your throat, between the two collarbones. That is the top of the sternum.
• Run down the midline. Trace straight down the centre of the breastbone. You will feel a flat, hard plate of bone with a shallow groove or ridge down the middle.
• Find the nipple line first. On the midline, level with the nipples, is CV17, the best-known chest point. It is a useful anchor even though it is not the point you want.
• Step up one rib space. From CV17, move about 3 to 4 cm (1.6 cun, or a little under two thumb-widths) straight up the midline. That is CV18, level with the third gap between ribs.
• Check it feels bony. CV18 should be on bone, not on soft tissue. If your finger sinks into a hollow or sits between ribs off to one side, you have drifted off the midline.

Sources agree on the essentials: anterior midline, on the sternum, at the level of the third intercostal space (the gap between the third and fourth ribs). Breast tissue and body shape change where the nipple sits, so if the nipple line seems unreliable on you, count rib spaces instead from the collarbone downward.

Some people feel a tender or slightly bruised spot there. Tenderness is common over the sternum and is not proof you have found anything meaningful. If a spot on your breastbone is sharply painful to light touch, stop looking and see a doctor rather than pressing harder.

How do you apply pressure to CV18?

1. Sit upright and settle. Sit in a chair with your back supported and shoulders loose. Take two or three slow breaths before you touch the point.
2. Use a flat finger pad. Place the pad of your index or middle finger on CV18 on the midline of the breastbone. Never use a knuckle, a fingernail, a pen cap or a massage tool here.
3. Press lightly. CV18 lies on bone with very little padding, so firm pressure just hurts. Aim for about 2 or 3 out of 10 — enough to feel contact and mild heaviness, never enough to make you wince or hold your breath.
4. Hold or circle gently. Either hold steady pressure or make small, slow circles, roughly one per second, keeping the finger on the bone rather than dragging the skin.
5. Time it with your breathing. Hold for 30 to 60 seconds while breathing out slowly through the mouth. Ease off, rest for 20 seconds, then repeat.
6. Keep sessions short. Two or three rounds is plenty, up to two or three times a day. More pressure for longer does not make it work better and does leave the sternum sore.
7. Stop at any of these. Stop immediately for chest pain, pressure or tightness, breathlessness, palpitations, dizziness, nausea, or pain that spreads to the jaw, neck, back or arm.

Keep fingernails short and hands clean. Do not press through clothing with hard seams, buttons or an underwire, which concentrate pressure unpredictably.

Avoid working on CV18 straight after a large meal, when lying flat with reflux, or while someone else leans their body weight into your chest. Self-applied pressure is safer than having another person push, because your own hand stops when it hurts.

If you feel nothing at all, that is a normal outcome and not a reason to press harder.

What is CV18 traditionally used for?

• Chest tightness and fullness. The most common classical use is a sense of oppression or fullness in the chest. No controlled human trial has tested finger pressure on CV18 for this; what support exists is traditional description and personal report.
• Cough and wheezing. Texts group CV18 with neighbouring sternal points for cough and difficult breathing. There is no good human evidence that pressing it changes lung function, and it should never replace an inhaler or prescribed asthma treatment.
• Chest pain of a non-cardiac kind. Tradition describes it for aching or stifling chest discomfort. This is a risky claim to lean on, because chest pain can be cardiac; the honest position is that CV18 is unproven here and new chest pain needs assessment, not acupressure.
• Nausea, retching and "rebellious qi". Classical sources link midline chest points with upward-moving symptoms such as vomiting. The clear human evidence for acupressure and nausea is for PC6 on the inner wrist, not for CV18, and the two should not be confused.
• Calming and breath-slowing. Many modern practitioners use CV18 as a grounding point during slow breathing. Trials of slow breathing and of general relaxation touch show benefit for anxiety symptoms, but those studies do not isolate CV18, so credit belongs to the breathing and the pause as much as the point.
• Difficulty swallowing or a lump-in-throat feeling. This appears in older indications for the upper midline. Evidence in humans is absent, and persistent swallowing difficulty is a symptom that needs a medical opinion.

Across all of these, the pattern is the same: a long and consistent traditional record, and almost no modern testing of this specific point. Treat CV18 as a comfort measure you may find pleasant, not as a treatment for a diagnosed condition.

If a symptom is new, worsening, or stopping you doing ordinary things, see a clinician first and use acupressure alongside proper care, not instead of it.

Are there tips for using CV18 effectively?

• Let the breath lead. Pair each hold on CV18 with a long, slow exhale. Most people who find the point helpful are getting much of the benefit from the breathing pattern, and that is fine.
• Lighter is better on bone. The sternum has almost no cushioning. A light, steady contact is more comfortable and no less useful than digging in, which mostly produces a bruised, tender spot.
• Anchor from the throat notch. Relocating CV18 from the suprasternal notch and counting rib spaces is more reliable than guessing from the nipple line, which shifts with body shape and age.
• Warm your hands first. A cold fingertip on the chest makes people tense and hold their breath, which works against the point of the exercise.
• Keep a simple log. Note the date, how long you pressed and what your symptom score was out of ten before and after. Over a few weeks this tells you honestly whether it does anything for you.
• Use it at a consistent time. Mid-afternoon or before bed works for many people. Regularity makes your own before-and-after comparison more meaningful.
• Do not stack it with everything else. If you start CV18, a new supplement and a new breathing app in the same week, you will never know which one helped.
• Respect a tender sternum. If CV18 is sore from a previous session, skip a day. Repeated pressure on an already tender breastbone can irritate the joints where the ribs meet the sternum.
• Sit, do not lie. Sitting upright makes it easy to notice breathlessness or dizziness early and to stop.

Finally, judge CV18 by a realistic standard. A small drop in a tight, braced feeling in the chest is a reasonable thing to hope for. A change in a diagnosed heart or lung condition is not, and no amount of technique will produce one.

What do people get wrong with CV18?

• Expecting a cure. This is the biggest one. CV18 does not cure asthma, reflux, heart disease or anxiety, and anyone selling it that way is overselling a point with almost no human research behind it.
• Confusing it with CV17. Videos often show the nipple-level point and call it CV18. CV18 is roughly 3 to 4 cm higher, level with the third rib space. The mix-up is harmless but means you are not doing what you think you are.
• Drifting off the midline. CV18 is on the bone itself. If your finger slips sideways into a rib gap or onto breast tissue, you have left the Conception Vessel.
• Pressing far too hard. People treat the sternum like a thick muscle and lean into it. That produces a sore, bruised breastbone and sometimes irritates the rib-to-sternum joints.
• Using a tool or a knuckle. Hard objects concentrate force on a thin bone that sits directly over the heart and great vessels. Use a soft finger pad or nothing.
• Pressing through chest pain. Treating new chest tightness with acupressure, rather than calling for help, is the single most dangerous mistake on this page.
• Letting someone else bear down. Another person cannot feel when it hurts. Self-applied pressure has a built-in brake.
• Delaying a diagnosis. Using CV18 for weeks for a cough, swallowing problem or breathlessness instead of getting it checked wastes time that may matter.
• Assuming old equals safe. A point can be ancient and still be a bad idea over a healing scar, a fracture or an implanted device.
• Trying needling at home. Some sources describe how CV18 is needled in clinic. That is not something to attempt on yourself, and nothing on this page should be read as instructions for it.

What does the research on CV18 actually say?

There is essentially nothing. We could not identify any controlled human trial that tested CV18 (Yutang) on its own, by acupressure or by any other method, for any condition. That is the plain answer, and it is the answer for most individual acupuncture points.

What does exist in the wider literature is worth knowing, so you can see where CV18 sits in it. Acupressure research as a field is dominated by small, short, unblinded studies. Participants usually know whether they are pressing a point or not, which makes expectation a powerful confounder. Sham controls for pressure are notoriously leaky.

Against that background, a few uses stand out as genuinely supported. PC6 on the inner forearm has repeated randomised trials and systematic reviews for nausea and vomiting, including after surgery and in pregnancy, and the effect there is real if modest. That is the clearest case in the whole acupressure literature, and it is on a different point on a different channel.

CV18 has no comparable body of work. Chest-midline points, chiefly CV17, appear occasionally in small studies of breathlessness, anxiety and chest discomfort, often as one point in a multi-point protocol alongside acupuncture needling. When a point is only ever used inside a package of several points, no trial can tell you what that one point contributed. Some of those studies used needles; reporting that is not an instruction, and needling is outside what this library covers.

What this absence means for you is specific. It does not mean CV18 is worthless or dangerous. It means nobody has shown it does a particular thing, so you should not plan your care around it, stop a prescribed treatment for it, or pay much for it. Try it as a low-cost comfort measure, judge it by your own before-and-after notes, and keep your doctor in the loop for anything involving your chest or breathing.