Guilai

What is ST29?

ST29 (Guilai) is a Stomach channel point on the lower belly, about one thumb-width above the top of the pubic bone and two thumb-widths out from the midline.

Its Chinese name, Guilai, is usually translated as "return" or "homecoming". In classical texts it belongs to the group of lower abdominal points used for menstrual and reproductive complaints, and it sits on the Stomach channel line that runs down the belly from the ribs to the groin.

Traditional standing is not evidence that a point works, and it is not evidence that a point is safe to press. Those are two separate questions, and ST29 is a good example of why they have to be asked separately: it is a well-established point in the tradition, it sits over the lower abdomen and pelvis, and that location carries real cautions for some people.

Here is the honest verdict on the evidence. There are no controlled human trials of finger pressure on ST29 by itself. The point does appear inside multi-point acupuncture protocols studied for period pain and for hormonal conditions, but those studies needled several points at once, so they cannot tell you what ST29 contributed. Acupressure research in general is mostly small, short, and unblinded, which means the person pressing and the person being pressed both knew what was happening and expectation could easily account for the result.

What that leaves is a point that is reasonable to try as a gentle self-care habit for ordinary menstrual discomfort, with modest expectations, and that should not be used in place of a diagnosis. Nothing on this page is a cure, and nothing here should delay care for pelvic pain, heavy bleeding, fertility problems or a missed period.

Everything described below is self-applied finger pressure. This library does not teach needling, moxibustion or any technique that breaks the skin, and you should not attempt those on yourself.

Where is ST29 and how do you find it?

ST29 lies on the lower belly, about one thumb-width above the top edge of the pubic bone and two thumb-widths out from the midline.

• Find your two anchors. Put one fingertip in your navel and the other on the hard upper edge of your pubic bone, low in the midline. Everything is measured between those two bony and surface landmarks.
• Divide that distance. Classically the gap from navel to pubic bone is five cun, and ST29 is four cun below the navel. In plain terms, that is four fifths of the way down, which lands you roughly one thumb-width above the pubic bone.
• Move out from the midline. From that midline spot, slide about two thumb-widths to one side. Do the same on the other side. ST29 is a paired point, so there is one on the left and one on the right.
• Cross-check with a vertical line. The Stomach channel runs straight down the belly about two thumb-widths either side of the navel. If you put a finger two thumb-widths beside your navel and drop it straight down towards the pubic bone, you end near ST29.
• Feel what is under your finger. You should be on soft abdominal muscle, not on hard bone. If your fingertip is on the pubic bone itself, you have gone too low.

Measure with your own hands, not someone else's. A cun is scaled to your body, and the width of your own thumb at the knuckle is the usual stand-in for one cun.

Lie on your back with your knees bent and your feet flat. The lower belly softens in that position and the landmarks are much easier to feel than when you are standing or tensing.

If you cannot find anything distinct, that is normal. ST29 has no tendon, hollow or pulse to confirm it, and people often notice nothing more than slightly tender or heavier-feeling tissue. Stay conservative and keep within the area described rather than hunting with hard pressure. Never press firmly on a spot that pulses under your fingers.

How do you apply pressure to ST29?

1. Empty your bladder first. ST29 sits over the lower abdomen, close to where a full bladder bulges up. Pressing there when you are full is uncomfortable and tells you nothing useful.
2. Lie down and bend your knees. Lie on your back with feet flat on the bed or floor. This relaxes the belly wall so you are not fighting tense muscle.
3. Use flat finger pads. Place the pads of your index and middle fingers on the point. Do not use a knuckle, a thumbnail or a massage tool. Keep your nails short.
4. Sink in slowly on an out-breath. Take about five seconds to reach your working pressure instead of jabbing. The lower belly is soft tissue and sudden pressure is what makes people sore.
5. Keep it gentle. Aim for about three or four out of ten, where ten is as hard as you could press. You want a dull, warm, slightly heavy feeling, never a sharp one.
6. Hold or circle. Either hold steady for 30 to 60 seconds, or make small slow circles that move the skin with your finger for one to two minutes.
7. Do both sides. Work the left and right points, either one after the other or together with one hand on each.
8. Repeat sensibly. One to three rounds in a session, once or twice a day, is plenty. There is no benefit to grinding away for longer.

Stop immediately if the pressure causes sharp pain, a pain that spreads into the groin or back, nausea, dizziness, or any new tenderness that lingers afterwards. Stop if you feel a pulse, a lump or a bulge under your fingers, and do not press that spot again.

Give it a fair but limited trial. If a week or two of regular use changes nothing, ST29 is not doing anything for you, and the sensible next step is a doctor rather than harder pressure.

What is ST29 traditionally used for?

• Painful periods. This is the main traditional use of ST29, which classical sources link to menstrual cramping and irregular cycles. Acupressure for period pain has been tested in small, mostly unblinded trials, but those studies usually used SP6 or LI4 rather than ST29, so the direct human evidence for this point is essentially absent.
• Irregular or absent periods. Tradition describes ST29 as a point for restoring a cycle that has stopped or become erratic. No trial has tested finger pressure on ST29 for this, and a cycle that has changed, stopped or become unpredictable needs a medical explanation first.
• Lower abdominal heaviness and cramping. The point was traditionally used for dragging, cold or cramping sensations low in the belly. Any short-term easing you feel is just as likely to come from warmth, slow breathing and lying down as from the specific location.
• Vaginal discharge complaints. Classical texts list ST29 for what they called leucorrhoea. There is no human evidence for this use, and a change in discharge, especially with itching, odour or pain, points towards infection and needs proper assessment.
• Fertility and reproductive support. ST29 is often included in acupuncture protocols aimed at fertility and hormonal conditions such as polycystic ovary syndrome. Those studies needled many points at once and had mixed results, so nothing in them shows that pressing ST29 improves fertility. Acupressure is not a fertility treatment.
• Hernia and groin discomfort in old texts. Several classical sources mention ST29 for what they termed shan disorders, roughly groin and lower abdominal swellings. This is historical usage only, and a real hernia is a surgical matter, not a pressure point.

In plain terms: ST29 has a long and consistent traditional role in lower abdominal and menstrual complaints, and almost no direct human research behind any of it. Treat it as a comfort measure you are trialling, not as treatment for a diagnosed condition.

What might regular use of ST29 help prevent?

• Nothing has been shown to be prevented. There is no human research showing that regular pressure on ST29 prevents any condition, symptom or recurrence. Any page that promises otherwise is going beyond the evidence.
• Period pain recurrence is a traditional claim only. Some practitioners suggest working ST29 in the days before a period rather than during it, on the idea that this heads off cramping. That timing is tradition and habit, not a tested prevention effect, though there is little harm in trying it if your cramps are ordinary and already diagnosed as such.
• It does not prevent pregnancy. ST29 has nothing to do with contraception. Never rely on any acupressure point in place of a reliable contraceptive method.
• It does not prevent infertility or hormonal conditions. Conditions such as endometriosis, fibroids and polycystic ovary syndrome have causes that finger pressure does not touch. Using ST29 while postponing investigation can delay a diagnosis that matters.
• The realistic benefit is habit, not prevention. A few quiet minutes lying down with slow breathing may make a difficult week more bearable. That is a reasonable thing to want from this point, and it is honest to call it comfort rather than prevention.

If your periods are getting more painful, heavier or less predictable over time, that trend is information. It is a reason to see a doctor, not a reason to press harder or more often.

Are there tips for using ST29 effectively?

• Warm the area first. A warm shower, a hot water bottle or a warm towel on the lower belly for a few minutes relaxes the muscle and makes gentle pressure far more comfortable. This is ordinary heat only, never a burning herb on the skin.
• Breathe out as you sink in. Pressing on an out-breath lets the abdominal wall soften under your fingers. Pressing while you hold your breath or brace just meets resistance.
• Measure on yourself, once, carefully. Work out where your thumb-widths land relative to your navel and pubic bone on a calm day. After that you can find ST29 quickly without re-measuring each time.
• Use both sides evenly. ST29 is paired. Working one side only is a common shortcut, and traditionally the point is used on both.
• Pick a consistent time. Many people use it in the evening, lying down before sleep. A regular slot makes it easier to tell whether it is actually helping.
• Keep a simple log. Note the date, what you did and your pain or discomfort out of ten. Two cycles of notes will tell you more than any article can about whether this is worth your time.
• Pair it with the boring things that work. Heat, gentle movement, sleep and, where appropriate, pain relief your pharmacist or doctor has suggested. Acupressure is an add-on, not a replacement.
• Keep pressure light on a soft belly. There is no bony backstop under ST29, so the usual error is pressing far harder than the point needs. Light and regular beats hard and occasional.
• Stop on anything sharp. Dull and warm is fine. Sharp, radiating or nauseating means take your hand away and leave it alone.

Set your expectations before you start. A modest, short-lived easing of discomfort is a realistic result. Anything bigger than that, and you should be asking what else changed.

What do people get wrong with ST29?

• Expecting a cure. This is the biggest mistake. No acupressure point cures endometriosis, fibroids, infertility or a hormonal disorder, and treating ST29 as treatment can delay a diagnosis that actually changes things.
• Pressing on the pubic bone. Sliding too low lands you on hard bone instead of the soft tissue just above it. ST29 sits roughly one thumb-width above that bony edge, not on it.
• Confusing it with its neighbours. ST30 sits lower, at the level of the top of the pubic bone, and CV3 sits in the midline. Going too far out towards the hip bone takes you off the Stomach channel line entirely.
• Using it during pregnancy. Firm pressure low on the abdomen is traditionally avoided in pregnancy, and there is no safety research to overturn that caution. If you are pregnant or might be, leave this point alone.
• Pressing through undiagnosed pain. Sudden, severe or one-sided lower abdominal pain can be appendicitis, an ovarian problem or an ectopic pregnancy. Pressing it is not just useless, it wastes time you may not have.
• Going too hard. The belly has no bone behind it, so heavy pressure simply bruises tissue. Soreness the next day means you overdid it, not that it worked.
• Working over a scar or bulge. People press straight over caesarean scars, hernia repairs and visible bulges. Fresh scars and hernias should not be pressed at all.
• Assuming old means safe. A point can be listed in every classical text and still be a bad idea for your particular situation. Age of a tradition says nothing about your anatomy today.
• Doing it with a full bladder. Uncomfortable, unhelpful, and it makes the landmarks harder to feel. Go to the toilet first.

What does the research on ST29 actually say?

There is no controlled human trial of finger pressure on ST29 on its own. That is the plain answer, and it is the single most important thing to know before you read anything else claiming results for this point.

Where ST29 does appear in research is inside multi-point needling protocols. Acupuncture studies of primary period pain and of hormonal and fertility-related conditions often use a cluster of lower abdominal and leg points, and ST29 is one of the points commonly listed in those protocols. Those trials needled several points in one session. Because of that, even a positive result cannot tell you what ST29 contributed, if anything. Reporting that a trial needled a point is simply describing what the researchers did; it is not an instruction, and you should not attempt needling yourself.

The wider acupressure literature has the same weaknesses throughout. Trials of acupressure for menstrual pain do exist, and some report reduced pain scores, but they are typically small, run over one or two cycles, and unblinded, meaning participants knew they were getting the real technique. Expectation, attention, warmth and lying down quietly all plausibly explain part of those results. Most of those studies also used SP6 or LI4 rather than ST29, so they are not evidence about this point.

Nothing has been published that would let anyone quote a success rate, a response time or an effect size for ST29. If you see a specific number attached to this point, treat it with suspicion and look for the study behind it.

What this means practically: ST29 can reasonably be tried as a gentle comfort habit for ordinary menstrual discomfort you have already had checked out. It should not be used to manage a diagnosed reproductive condition, to pursue fertility, or to explain away pelvic pain that is new, severe or getting worse. Research may fill this gap one day. At present it has not.