point locator

SP10 Xuehai: Sea of Blood Thigh Point, Menstrual Context, and Safety

Understand SP10 Xuehai before comparing menstrual comfort, SP6, LR3, Spleen meridian, or printable-card pages.

Content checked 2026-01-08Point-specific diagramEducation only

Quick Answer

SP10 Xuehai, often translated as Sea of Blood, is a Spleen meridian point on the inner thigh above the knee. It appears in blood and menstrual-context traditions, but the name is not a circulation, bleeding, fertility, or menstrual-care claim. Unusual bleeding, severe pain, pregnancy, swelling, bruising, or tender thigh tissue should keep the page read-only.

Safety Decision

Stop before pressure if the body area is injured, the symptom is severe or unusual, or qualified care should come first.

Continue only as a short, comfortable, education-only routine after reading the locator and stop signs.

Front-view human musculature medical illustration used as a licensed anatomy base.SP10 Xuehai
front legSP10 Xuehai
inner thigh above kneeAbove the inner knee on the soft thigh muscle, away from the kneecap.Medical base: Musculature homme face by Servier Medical Art, licensed under CC BY 4.0.Human anatomy base: Servier Medical Art under CC BY 4.0, with attribution. Point marker and regional locator are educational, not clinical location guidance.

Before You Try This

This SP10 page is educational and not medical advice. It cannot assess menstrual pain, bleeding, pregnancy, circulation, thigh injury, swelling, bruising, or whether pressure is suitable.

Ask qualified care for severe menstrual pain, unusual bleeding, pregnancy or possible pregnancy, pelvic symptoms, thigh swelling, bruising, injury, numbness, medication questions, children, or chronic illness.

reader path

Is This the Right Page to Read Now?

Use this page when

Use this acupoint page, SP10 Xuehai: Sea of Blood Thigh Point, Menstrual Context, and Safety, when the reader wants this exact point task: Understand SP10 Xuehai before comparing menstrual comfort, SP6, LR3, Spleen meridian, or printable-card pages.

Skip this page when

This acupoint page fails if the Sea of Blood on the inner thigh above knee in the Spleen family locator becomes a treatment shortcut, a stronger-pressure target, or a replacement for the named safety stop signs.

Next step

Read menstrual and thigh-tissue cautions, then compare SP6, LR3, CV4, or Safety. Then choose read-only, one brief comfortable contact, a printable card, or a safety stop.

Diagram Notes

The marker highlights SP10 Xuehai, Sea of Blood, on a inner thigh above knee locator view; its landmark cue is "Above the inner knee on the soft thigh muscle, away from the kneecap." Use it with the safety cues rather than treating the marker as clinical precision.

Locator overlay for SP10 Xuehai, Sea of Blood, placed on CC BY 4.0 Servier Medical Art human anatomy base images and paired with a regional landmark view.

How to read the SP10 locator

  • Start with the broad area: inner thigh above knee.
  • Compare the written landmark: Above the inner knee on the soft thigh muscle, away from the kneecap.
  • Use the marker as orientation, then let comfort and the avoid hard pressure on tender thigh tissue caution decide whether to stop.

The Sea of Blood locator uses a licensed educational anatomy base for the inner thigh above knee; it is not a clinical locator or personal safety clearance.

Why This Page Gets Extra Attention

Reader Scenario

A reader arrives at SP10 after seeing a short chart and needs to verify the Sea of Blood landmark on the inner thigh above knee before doing anything physical.

Common Misread

Do not use SP10 as a traditional circulation language and menstrual comfort context shortcut; the locator and caution still decide whether this stays reading-only.

Editorial Call

Sea of Blood earns its length only when it separates inner thigh above knee touch, landmark confidence, traditional circulation language and menstrual comfort context context, and the reason to stop.

Best Next Choice

Choose whether Sea of Blood should stay read-only, allow one brief comfortable inner thigh above knee contact, move to the printable card, or open a safety page.

Use the Sea of Blood locator as a neighborhood check for the inner thigh above knee; the written landmark still outranks the marker.

SP10 Xuehai and the Sea of Blood name

SP10 is the standard code for Xuehai, often translated as Sea of Blood. The phrase is vivid, but this site treats it as traditional naming context. It is not a claim about circulation, bleeding, hormones, fertility, or menstrual care.

Inner-thigh location needs tissue caution

SP10 sits on the inner thigh above the knee. Bruising, swelling, tenderness, injury, numbness, varicose-vein concern, unusual bleeding, or severe pain should stop pressure. A memorable name does not override local tissue safety.

Where SP10 fits in menstrual comfort pages

SP10 can appear beside SP6, LR3, and CV4 in a mild menstrual-comfort reading path. It is a comparison point after pregnancy and severe-symptom cautions are clear. It is not a menstrual answer by itself.

How SP10 relates to SP6 and LR3

SP6 is an inner-lower-leg point with strong pregnancy caution. LR3 is a top-of-foot point that can appear in stress and menstrual-adjacent pages. SP10 gives an inner-thigh comparison. These pages help the reader separate body regions and stop signs.

The wrong way to read SP10

The wrong reading is: Sea of Blood sounds direct, so SP10 must be relevant for bleeding or menstrual pain. A safer reading is: the name is historical and cultural, while unusual bleeding, severe pain, or pregnancy belongs outside point routines.

Technique boundaries for SP10

This page does not teach acupuncture, moxa, cupping, scraping, pressure dosing, circulation care, menstrual care, fertility care, or bleeding decisions. It explains naming, broad location, related pages, and stop signs.

Best next page after SP10

Choose the menstrual comfort guide only for mild familiar context. Choose SP6 or LR3 as comparisons after their cautions remain clear. Choose pregnancy safety, severe-symptom safety, or qualified care when pain, bleeding, pelvic symptoms, thigh tissue, or pregnancy makes the page read-only.

Full-page decision frame for SP10

SP10 Xuehai, Sea of Blood, deserves more than a chart label because the reader has to make several separate decisions before touching the inner thigh above knee. The first decision is identity: this is a Spleen point, not a general label for every nearby tender place. The second decision is context: traditional circulation language and menstrual comfort context is a traditional or wellness reading cue, not a promise that pressure changes a personal condition. The third decision is safety: avoid hard pressure on tender thigh tissue. A full page for Sea of Blood therefore has to slow the reader down. It names the point, describes the broad locator, explains why the point appears with certain routines, separates acupressure from professional techniques, and gives a conservative next page. If the reader only wants a quick answer, the safest quick answer is still narrow: read the locator, check the stop signs, and use the point only as education unless the situation is mild and comfortable.

How to verify the inner thigh above knee landmark

SP10 starts with the inner thigh above knee view, but the visual marker is only a region finder. The written landmark carries the real work: Above the inner knee on the soft thigh muscle, away from the kneecap. Avoid hard pressure on tender thigh tissue or bruising. This matters for Sea of Blood because readers often arrive after seeing a short social post, wrist band, point chart, or routine list. A chart can make the target look cleaner than a real body feels. The reader should first name the broad body area, then compare the landmark with bones, tendons, folds, or soft tissue nearby, then check whether the skin and sensation are normal. If the reader cannot repeat the landmark in plain English, SP10 should remain a reading page. If the body area is painful, numb, swollen, bruised, hot, wounded, recently injured, or hard to interpret, the locator has already done its job by telling the reader to stop.

What traditional circulation language and menstrual comfort context means on this page

The phrase traditional circulation language and menstrual comfort context explains why SP10 appears in this atlas, but it does not turn Sea of Blood into a personal answer. For Xuehai, the use context is a signpost for reading related pages, not a guarantee, not a ranking, and not a reason to ignore symptoms. A better way to read the phrase is: people commonly encounter this point while researching traditional circulation language and menstrual comfort context, so the page should explain the name, locator, safety limits, and nearby choices clearly. That is very different from saying the point handles the concern. If the concern is mild and ordinary, SP10 can be part of a conservative reading path. If the concern is severe, new, persistent, frightening, pregnancy-related, medication-related, child-related, post-surgery, or connected with chronic illness, the traditional circulation language and menstrual comfort context phrase becomes less important than the safety path.

How SP10 relates to nearby point pages

Sea of Blood should be compared with related pages only one relationship at a time. Useful comparison points include SP6 Sanyinjiao (inner lower leg), ST36 Zusanli (front outer lower leg), BL40 Weizhong (back of knee), ST40 Fenglong (outer lower leg). The relationship may come from the same meridian, the same body region, a similar routine page, or a shared beginner question, but those relationships do not make the points interchangeable. SP6 Sanyinjiao has its own locator and caution; ST36 Zusanli has another. For SP10, the right comparison question is not "which point is stronger?" but "which page answers my current job?" A culture page explains the name. A printable page preserves memory. A wellness page compares a mild scenario. A safety page interrupts action. Reading those pages in the right order keeps Xuehai from becoming one more item in a long, unfocused list.

When pairing SP10 with another point makes sense

Pairing SP10 with another point is a reading decision before it is a physical routine. The safest pairing starts on a guide such as Gentle Acupressure for Menstrual Comfort, where the page can explain why several points appear together and which stop sign controls the whole set. For Sea of Blood, pairing is most useful when it clarifies roles: one point may be the main locator to read, another may be a comparison point, and another may be a reason to leave the routine for Safety. Pairing is not useful when it simply adds more body areas because more points sound more complete. Each added point adds a new landmark, new tissue, and a new way to misread discomfort. If the reader cannot explain why SP10 belongs with the next point, the better step is to read one full page and stop.

Using SP10 inside a short routine

Sea of Blood may appear in a mild self-care reading path, but the routine has to stay education-first and stop-first. A short routine around SP10 should have a beginning, a check, and an end. The beginning is the safety review: avoid hard pressure on tender thigh tissue. The check is the locator review: Above the inner knee on the soft thigh muscle, away from the kneecap. The end is a conscious decision to stop, continue reading, or open a related page. If gentle contact is appropriate, it should stay brief, comfortable, and easy to release. The reader should not chase a deep ache, try to create sensation, or keep pressing because a point name sounds important. A routine also should not stack SP10 with every point on the Spleen line. The page works best when it turns a vague impulse into one narrow action: read, locate broadly, touch lightly only if low risk is clear, and stop if the body gives any reason to stop.

Acupuncture, moxa, and cupping boundaries for SP10

SP10 can appear in professional acupuncture, moxibustion, or cupping contexts, but this page does not teach those methods. Acupuncture involves needles and belongs with qualified professional practice. Moxibustion involves heat, smoke, fire, burn risk, and pregnancy caution. Cupping involves suction, bruising, skin status, blood-thinner concerns, and injury questions. Those techniques are not stronger home versions of acupressure. For Sea of Blood, the public page can explain that the same named point may appear across modalities, but it cannot convert professional technique language into instructions. If a reader came here searching for needling effects, moxa application, cupping placement, or stronger results, the safe answer is to stay in education mode and use qualified care or a licensed practitioner rather than improvising on the inner thigh above knee.

Wrong turns readers make with Sea of Blood

A frequent wrong turn is to treat tenderness near SP10 as proof that the point was found. Tenderness can mean pressure is too strong, the tissue is irritated, or the wrong body area is being tested. Another wrong turn is to use traditional circulation language and menstrual comfort context as a shortcut around safety. A third is to keep moving across the inner thigh above knee until something feels intense. For Sea of Blood, intensity is not the goal. Clarity is the goal. The reader should be able to say: this is the Spleen point Xuehai, the locator is Above the inner knee on the soft thigh muscle, away from the kneecap., the caution is avoid hard pressure on tender thigh tissue, and my next step is either read-only, gentle and brief, a related page, or qualified help. If that sentence cannot be said honestly, the page has not cleared pressure.

When SP10 is not the right next page

SP10 is not the right next page when the reader is trying to decide whether a symptom is serious, whether medicine can be changed, whether pregnancy or child use is safe, or whether an injury can be worked around. It is also not the right page when leg swelling, varicose veins, clot concern, bruising, numbness, or injury are present. In those cases, opening more point pages can create false momentum. The better route is a safety page, a professional conversation, or emergency guidance when warning signs are present. The value of the Sea of Blood article remains intact even when the answer is not to press. It still gives language, location context, visual orientation, and relationships. A high-quality point page is allowed to say that the most useful next action is leaving the point page.

How the printable card should depend on this page

The printable SP10 card should be treated as a reminder after this full article, not as the article itself. A card can remember Xuehai, Sea of Blood, the broad inner thigh above knee cue, and the stop signs, but it cannot carry the full context around traditional circulation language and menstrual comfort context, related points, source limits, or technique boundaries. For SP10, the card is useful when the reader has already read the landmark and wants a small memory aid. It is not useful when separated from the safety note, used during a high-risk situation, or shared as a quick instruction. If a card and the full page disagree in the reader's mind, the full page wins. If the card makes the action feel too easy, return to the full page or Safety.

Source and visual notes for Sea of Blood

The source notes on SP10 have different jobs. Nomenclature and location sources keep SP10 Xuehai aligned with standard naming and broad locator language. Safety and health-information sources keep the page from becoming personal advice. The visual source identifies the licensed anatomy base used for orientation; it does not prove exact placement on any reader's body. For Sea of Blood, that split is important because source lists can look more authoritative than they are. A source can support a name, a boundary, a cultural context, or a visual credit, but it cannot inspect the reader, confirm a symptom, clear an injury, or promise that traditional circulation language and menstrual comfort context will improve. The trustworthy reading is modest, traceable, and limited.

Final choice after reading SP10

End the Sea of Blood page with one of four choices. Choice one is read-only: the reader understands SP10 better but does not touch the inner thigh above knee. Choice two is a brief gentle contact: the situation is mild, the skin and tissue feel normal, the landmark is clear, and the reader can release immediately. Choice three is a related page: the reader needs Gentle Acupressure for Menstrual Comfort, a name-meaning page, a printable memory aid, or a safety answer before acting. Choice four is qualified care: the concern is personal, severe, persistent, unusual, pregnancy-related, medication-related, child-related, chronic-condition-related, injury-related, or unclear. The page is successful when the reader can choose among those outcomes without relying on a chart alone. SP10 is a named point, but the decision is the real product.

Relationship map after SP10

SP10 should leave the reader with a relationship map, not just a locator. Start with the point itself: Xuehai, translated here as Sea of Blood, sits in the Spleen context and uses the inner thigh above knee cue. Then compare neighboring reading paths: SP6 Sanyinjiao on the inner lower leg; ST36 Zusanli on the front outer lower leg; BL40 Weizhong on the back of knee; ST40 Fenglong on the outer lower leg; CV4 Guanyuan on the lower abdomen. Those pages are not backup targets to press if SP10 feels uncertain; they are separate articles with separate body areas, cautions, and purposes. The broader use-case map is Gentle Acupressure for Menstrual Comfort. Use those pages only when the concern is mild enough to remain in education and safety navigation. This map is important because many people search for a point by discomfort, then keep adding pages until something feels persuasive. A better habit is to ask which relationship explains the next decision. If the next decision is name meaning, open Culture. If it is a memory aid, open Printable. If it is a combination, open the matching wellness guide. If it is risk, leave SP10 for Safety. The map keeps Sea of Blood from becoming a loose claim about traditional circulation language and menstrual comfort context.

What the reader can safely take away from SP10

A careful takeaway from SP10 has five parts. First, remember the identity: SP10 Xuehai, Sea of Blood, is a named point, not a universal body button. Second, remember the place: Above the inner knee on the soft thigh muscle, away from the kneecap. Third, remember the caution: avoid hard pressure on tender thigh tissue. Fourth, remember the use-language limit: traditional circulation language and menstrual comfort context explains why the point appears in traditional and wellness reading paths, but it cannot decide a personal symptom or promise an outcome. Fifth, remember the next action: read only, use a brief gentle contact only when low-risk context is obvious, compare one related page, or ask qualified care. This takeaway is intentionally practical. It gives the reader something to do with the page without turning the page into medical advice. For Sea of Blood, the best result is not that the reader presses more confidently. The best result is that the reader can explain why this point fits, why it does not fit, or why the question belongs outside the atlas today.

What sources support beside the evidence note for SP10

Reader use: for SP10 Xuehai, the recalled sources support the exact article identity at /acupoints/sp10-xuehai/, the displayed point name, and the broad locator language used on this page rather than a generic chart. Reader use: for SP10 Xuehai, the named sources support the page-specific boundary "This SP10 page is educational and not medical advice. It cannot assess menstrual pain, bleeding, pregnancy, circulati..." and the article value "An inner-thigh point article that explains why Sea of Blood language needs careful cultural translation." without promising a result. Read these notes as traceability for this one point page; they cannot inspect the reader's skin, medication, pregnancy status, chronic illness, pain pattern, urgency, or whether pressure belongs today.

Questions Readers Usually Ask

Does Sea of Blood mean SP10 affects bleeding?

No. On this site, Sea of Blood is name context, not a claim about bleeding, circulation, hormones, or menstrual symptoms.

Can I use SP10 for period pain?

This site does not recommend that. Read the menstrual guide only for mild context and use Safety for severe pain, unusual bleeding, pregnancy, or pelvic symptoms.

Why is SP10 linked to SP6?

They share Spleen-family and menstrual-adjacent reading context, but SP6 has a stronger pregnancy caution and a different body region.

Sources Used

For SP10 Xuehai: Sea of Blood Thigh Point, Menstrual Context, and Safety, these notes are tied to this page asset: An inner-thigh point article that explains why Sea of Blood language needs careful cultural translation. They show which references support names, location terms, safety boundaries, cultural context, visual attribution, or content-check wording. They do not assess your symptoms, medication, pregnancy status, skin, or personal health situation for this page.

World Health OrganizationWHO Standard Acupuncture NomenclatureReader note: Used to keep point codes, pinyin naming, and meridian labels consistent. Not used as evidence that a point works for a health condition.Reader use: Used to keep point codes, pinyin naming, and meridian labels consistent. Not used as evidence that a point works for a health condition.World Health Organization Western Pacific RegionWHO Standard Acupuncture Point Locations in the Western Pacific RegionReader note: Used for broad location discipline and to avoid inventing locator certainty. Not used to make a public body-map marker clinically exact.Reader use: Used for broad location discipline and to avoid inventing locator certainty. Not used to make a public body-map marker clinically exact.NIH MedlinePlusPeriod PainReader note: Used for menstrual-adjacent safety boundaries on SP10, SP6, LR3, and CV4 relationship pages. Not used to recommend acupressure for menstrual pain or interpret a reader's symptoms.Reader use: Used for menstrual-adjacent safety boundaries on SP10, SP6, LR3, and CV4 relationship pages. Not used to recommend acupressure for menstrual pain or interpret a reader's symptoms.NIH MedlinePlusPregnancyReader note: Used for conservative pregnancy routing and to keep pregnancy questions in qualified-care context. Not used to provide pregnancy instructions, labor advice, or point clearance.Reader use: Used for conservative pregnancy routing and to keep pregnancy questions in qualified-care context. Not used to provide pregnancy instructions, labor advice, or point clearance.NIH MedlinePlusLeg Injuries and DisordersReader note: Used for lower-leg swelling, varicose-vein, clot-concern, and shin-tissue boundaries. Not used to evaluate leg swelling, clot risk, injury, or suitability for pressure.Reader use: Used for lower-leg swelling, varicose-vein, clot-concern, and shin-tissue boundaries. Not used to evaluate leg swelling, clot risk, injury, or suitability for pressure.Standardization Administration of ChinaGB/T 12346-2021 Nomenclature and Location of Meridian PointsReader note: this source supports standardized point names, codes, and location vocabulary.Reader use: check standardized point codes, Chinese names, and location vocabulary for SP10 Xuehai; do not treat naming precision as personal clearance.World Health OrganizationWHO Standard Acupuncture NomenclatureReader note: this source helps keep acupoint codes and English naming consistent across pages.Reader use: compare SP10 Xuehai with international acupoint code and naming conventions, not with symptom advice.NCCIHAcupuncture: Effectiveness and SafetyReader note: this source supports cautious evidence wording and the education-only boundary.Reader use: understand cautious evidence, safety limits, and the education-only boundary around Spleen naming, inner thigh above knee location cues, and traditional circulation language and menstrual comfort context.Servier Medical ArtServier Medical Art human anatomy imagesReader note: this source provides the licensed human-body base images under CC BY 4.0 attribution.Reader use: recognize SP10 Xuehai's licensed human-body base as a visual orientation aid, not clinical point placement.