Tinghui

What is GB2?

GB2 (Tinghui) is a classical acupressure point in the small hollow just in front of the ear, below the tragus, at the jaw joint.

It is the second point of the Gall Bladder channel. Its Chinese name is usually translated as "meeting of hearing", and classical texts group it with the ear points used for tinnitus (ringing in the ears), deafness, toothache and jaw pain. It is taught in every standard point curriculum, so its traditional standing is high.

That standing is worth saying plainly: being old and widely taught tells you a point was valued, but it is not evidence that pressing it does anything, and it is not evidence that pressing it is safe for you. Those two things have to be judged separately, and this page tries to do that.

The honest verdict on evidence: there is essentially no human research testing finger pressure on GB2 by itself. GB2 does appear inside multi-point needling protocols in trials for tinnitus, Bell's palsy (sudden one-sided facial weakness) and jaw joint pain, but those trials cannot tell you what one point contributed, and reviews of that literature are consistently critical of its quality.

What a reader can reasonably expect is modest and short-lived: a few minutes of gentle self-massage over a tender spot near a jaw joint that many people clench. Some people find that soothing. It is not a treatment for hearing loss, and it should never replace getting an ear, jaw or facial symptom looked at properly.

This library describes self-applied finger pressure only. Nothing here involves needles, heat or anything that breaks the skin.

Where is GB2 and how do you find it?

GB2 sits in the small dip directly in front of the notch at the bottom of the tragus, the flap of cartilage in front of your ear canal.

• Find your tragus. Run a fingertip forward from your ear canal. The firm little flap guarding the opening is the tragus. Feel along its lower edge to the small notch underneath it.
• Slide straight forward. From that lower notch, move your finger forward about a centimetre, towards your cheek. You are now over the back edge of the jawbone's upper arm.
• Open your mouth. As the jaw drops, a clear hollow appears under your fingertip. That depression, level with the bottom of the tragus, is GB2.
• Check by closing. Close your mouth and the hollow fills as the jawbone slides back. If it does not open and close under your finger, you are too far forward or too high.
• Know its neighbours. Three classical points sit in a short vertical line in front of the ear. GB2 is the lowest of the three, by the bottom of the tragus, not the one level with the top of it.

Traditional texts place GB2 at the posterior border of the condyloid process of the mandible (the back edge of the jaw's hinge bone). In everyday terms, that is the soft gap you can feel opening and closing when you yawn.

The spot is usually a little tender, especially in people who clench or grind. Tenderness helps confirm the location, but sharp or electric pain means move your finger, not press harder. Never state or follow any needle depth for this point; everything described here is fingertip contact on the skin surface.

How do you apply pressure to GB2?

1. Sit and settle. Sit upright with clean, dry hands and short nails. Let your jaw hang loose, teeth apart, lips closed. A clenched jaw makes the hollow disappear.
2. Locate with the mouth open. Open slightly, find the dip in front of the lower tragus, then close to a relaxed, teeth-apart position with your fingertip still resting there.
3. Use one fingertip. The pad of the index or middle finger is enough. Many people do both sides at once, one finger per ear.
4. Press lightly inwards. Aim towards the centre of the head, not up into the ear canal. Build to a dull, bearable ache, roughly the pressure you would use to test a ripe peach.
5. Hold or circle. Hold steady for 30 to 60 seconds, or make small slow circles for the same time. Breathe normally throughout.
6. Repeat sensibly. Two or three rounds per side, once or twice a day, is plenty. Sessions of a few minutes are better than long grinding ones.
7. Finish gently. Ease off slowly and let the jaw rest. A few slow, small jaw openings afterwards often feel better than more pressure.

Stop straight away if you get sharp pain, a jolt down the face, increased ear pain, muffled hearing, dizziness or nausea. Stop also if the jaw clicks painfully or feels like it may lock.

Do not press through numbness and do not work the point for more than a few minutes at a time. If a week or two of gentle use changes nothing, the honest conclusion is that it is not helping you, and more force is not the answer.

What is GB2 traditionally used for?

• Tinnitus and hearing complaints. This is GB2's classical headline use, reflected in its name, "meeting of hearing". Human evidence is weak. Needling trials for tinnitus often include ear-region points, and systematic reviews repeatedly judge the studies small, poorly blinded and inconsistent. No trial has tested finger pressure on GB2 alone.
• Earache and a blocked-ear feeling. Tradition used GB2 for ear pain and fullness. There is no controlled human evidence that pressing it clears an ear. Ear pain with fever, discharge or new hearing loss is a medical matter, not a self-massage one.
• Jaw joint pain and clicking. GB2 sits directly over the temporomandibular joint (the jaw hinge), so pressure there is really local massage of a joint and its muscles. Small acupuncture trials for jaw joint pain report short-term pain relief, but sham-controlled results are modest and the trials use several points at once.
• Toothache. Classical texts list GB2 for upper and lower tooth pain. There is no useful human evidence for this, and toothache has a cause that needs a dentist. Pressure may distract; it does not treat decay, infection or an abscess.
• Facial paralysis. GB2 appears in needling protocols for Bell's palsy, sudden one-sided facial weakness. Reviews of those trials describe the evidence as low quality and inconclusive. Sudden facial weakness always needs urgent assessment first, because it can also be a stroke.
• Jaw-related tension headaches. People who clench often feel relief from light massage around the joint. That is a plausible local muscle effect rather than anything proven about GB2 specifically.

Taken together: the traditional claims are broad, the modern evidence for this single point under finger pressure is essentially absent, and the realistic benefit is short-term local comfort.

Are there tips for using GB2 effectively?

• Open the jaw to find it, close it to press. The hollow only shows clearly with the mouth open. Once your finger is parked, relax the jaw with teeth slightly apart and press from there.
• Keep the pressure light here. GB2 lies over a joint with thin skin and little padding. Firm is unnecessary; a dull ache is the ceiling, not a starting point.
• Press inwards, not into the ear. Angle towards the middle of the head. Pushing up or backwards jams the fingertip against cartilage and the ear canal.
• Do both sides. Jaw tension is rarely one-sided only, and matching both sides stops you leaning into one spot for too long.
• Pair it with jaw habits. Unclenching, not chewing gum, and keeping teeth apart at rest do more for jaw ache than any point. Use GB2 as an add-on, not the plan.
• Pick a calm moment. Evening, or after a hot shower when the chewing muscles are warm, usually feels better than pressing a cold, tight jaw.
• Keep sessions short and regular. A minute or two per side, once or twice daily, beats one long session. Overworking the area can leave it sore the next day.
• Write down what happens. Note tinnitus loudness or jaw pain out of ten, before and an hour after. Symptoms vary on their own, so a simple record stops you crediting a point for a normal good day.
• Give it a fair, limited trial. Two weeks is enough to judge. If nothing has shifted, stop and take the symptom to a clinician instead.

What do people get wrong with GB2?

• Expecting a cure. The commonest error is treating GB2 as a fix for tinnitus or hearing loss. No acupressure point is known to restore hearing or switch off ringing, and believing it can delays real assessment.
• Pressing far too hard. People dig in because the spot is tender. It is tender because it sits on a joint. Heavy pressure can leave the jaw aching for a day and achieves nothing extra.
• Landing on the wrong point. Three points sit in a line in front of the ear. GB2 is the lowest, by the bottom notch of the tragus. Fingers often drift up to the ones level with or above the tragus.
• Pressing with teeth clenched. A clenched jaw closes the hollow and turns the point into a hard lump of bone. Relax the jaw first.
• Pushing into the ear canal. Angling backwards presses cartilage and can hurt. The direction is inwards towards the middle of the head.
• Working an inflamed ear. Massaging around an ear that is hot, discharging or painful with fever is a bad idea and can worsen things. That picture needs a doctor.
• Using nails or a tool. Fingertip pads only. Nails and hard gadgets on thin skin over a joint risk grazes and bruising.
• Ignoring red flags. Sudden hearing loss, pulsing tinnitus in time with the heartbeat, or new facial droop are not self-care problems. Pressing on while these go unchecked is the most harmful mistake on this list.
• Mistaking a quiet day for proof. Tinnitus and jaw pain fluctuate naturally. Without a simple before-and-after note, it is easy to credit GB2 for ordinary variation.

What does the research on GB2 actually say?

There is no published human research testing finger pressure on GB2 on its own. Everything below comes from needling studies that used GB2 as one point among several, and none of them can show what this single point contributed.

Tinnitus is where GB2 appears most often. Trials of acupuncture for tinnitus commonly needle points around the ear, GB2 among them, and results are mixed. Systematic reviews of that body of work have repeatedly reached the same conclusion: the trials are small, often not properly blinded, use different point combinations and different outcome scales, and the overall quality of evidence is low. That is a fair description of the field rather than a verdict on any one study.

Jaw joint pain, sometimes called TMD (temporomandibular disorder), is the other area with real trials. Small randomised studies of acupuncture report short-term reductions in jaw pain, but effects over sham needling tend to be modest and follow-up is short. Because GB2 lies directly over the joint, some of any benefit may simply be local pressure and attention to tight chewing muscles.

Bell's palsy protocols sometimes include GB2. Reviews of acupuncture for facial palsy describe the trials as low quality, with inconsistent reporting and high risk of bias, and they do not support firm conclusions. Most people with Bell's palsy improve substantially on their own, which makes uncontrolled reports especially unreliable.

What this means for a reader is simple. If you press GB2 for jaw tension and it feels better for a while, that is a plausible, small, short-lived local effect. If you are hoping for a measurable change in hearing or tinnitus, the evidence does not support that expectation. No citation, journal or study identifier is given here because the specific single-point research does not exist, and inventing one would be worse than admitting the gap.