# BL24 Qihaiyu (Sea Of Qi Shu Point) – Bladder Meridian

氣海俞 · qì hǎi yú

Location: 1.5 thumb widths lateral to the du mai at the level of the lower border of the spinous process of the 3rd lumbar vertebra.

Cautions: Avoid deep perpendicular needling.

Canonical page: https://acuiq.com/points/bl24

## Indications

An indication list is a reference index, not a prescription – see the protocols below for sourced treatments.

Benefit Regulate Jiao Lower, Diarrhea, Diarrhoea Blood, Diarrhoea Blood, Menstrual Cramps, Hemorrhoids, Haemorrhoids Bleeding, Haemorrhoids Bleeding, Vaginal Discharge, Vaginal Discharge, Myalgia Back Long Extensors, Myalgia Back Long Extensors, Abdominal Pain, Abdominal Pain, Lower Back Pain, Lower Back Pain, Irregular Periods, Period / Menstruation Irregular, Regulate Jiao Lower, Back Lumbar Weakness, Back Lumbar Weakness, Leg Weakness, Leg Weakness

## Most often selected alongside BL24

Sourced protocols in the index pairing each point with this one. Corpus frequency, not a combination to use.

- BL23 (Kidney Shu Point) – 69 protocols
- BL25 (Large Intestine Shu Point) – 69 protocols
- BL40 (Middle Of The Crease) – 40 protocols
- GB30 (Jumping Circle) – 39 protocols
- BL26 (Original Qi Gate Shu Point) – 36 protocols
- GV03 (Yang Lumbar Gate) – 28 protocols
- BL60 (Kunlun (Mountains)) – 25 protocols
- GV04 (Life Gate) – 16 protocols

## Protocols using BL24 (50 best-sourced of 77)

| Symptoms | Points | Course | Source | Kind | Caveat |
|---|---|---|---|---|---|
| Back Pain, Sciatica Pain, Herniated Nucleus Pulposus | BL23, BL24, BL25, BL26, BL31, BL32, BL33, BL34, BL40, BL57, BL60, GB30 | 15 days | doi:10.1093/ecam/nep085 | trial | Point selection reported in a published study. |
| Disability Low Back, Low Back Chronic Pain | ST04, ST36, SP13, SP14, BL23, BL24, BL25, BL37, BL40, GB12, GB26, GB30, GB34, GB41, GV03, GV04, GV05, GV24, GV26 | 42 days | doi:10.1186/1471-2474-11-118 | trial | Point selection reported in a published study. |
| Back Low Pain, Disability Functional | BL23, BL24, BL25 | 14 days | doi:10.1186/1745-6215-12-146 | trial | Point selection reported in a published study. |
| Low Back Chronic Pain, Musculoskeletal Pain | BL23, BL24, BL25, GB30, GV03, GV04, GV05 | 21 days | doi:10.1186/1745-6215-14-16 | trial | Point selection reported in a published study. |
| Lumbar Pain, Low-back Pain | BL23, BL24, BL25, BL26, BL32, BL40, BL60, GB30, GB34 | – | doi:10.1155/2013/872142 | trial | Point selection reported in a published study. |
| Back Low Chronic Pain | BL23, BL24, BL25, BL40, BL60, KD03, GB34 | 56 days | doi:10.1155/2013/125937 | trial | Point selection reported in a published study. |
| Low Back Pain, Spondylolisthesis | BL23, BL24, BL25, BL40, BL60, GB30, GB31, GV03 | 21 days | doi:10.1186/1745-6215-15-105 | trial | Point selection reported in a published study. |
| Sexual Dysfunction, Feet Numbness, Erectile Dysfunction, Low Sexual Desire, Back Lower Pain, Legs Numbness | BL23, BL24, CV01, CV04 | 20 days | doi:10.3831/KPI.2014.17.029 | trial | Point selection reported in a published study. |
| Lower Back Pain | BL23, BL24, BL25, BL40, GB30, GV03, GV04, GV05 | 7 days | doi:10.1155/2015/808425 | trial | Point selection reported in a published study. |
| Back Low Pain, Claudication Neurogenic, Leg Radiating Pain, Spondylolisthesis Lumbar Degenerative | LI04, ST36, BL22, BL23, BL24, BL25, LV03 | 35 days | doi:10.1097/MD.0000000000010667 | trial | Point selection reported in a published study. |
| Low Back Chronic Pain | BL23, BL24, BL25, BL26, BL40, BL60, GV03 | 56 days | doi:10.1097/MD.0000000000010790 | trial | Point selection reported in a published study. |
| Leg Pain, Lower Back Pain, Disc Herniation Lumbar | BL23, BL24, BL25, BL26, BL40, BL60, GB30, GV03 | 14 days | doi:10.1097/MD.0000000000011951 | trial | Point selection reported in a published study. |
| Low Back Pain, Disability Lumbar, Sprain Lumbar | ST25, BL23, BL24, BL25 | 3 days | doi:10.3831/KPI.2018.21.015 | trial | Point selection reported in a published study. |
| Chronic Pain, Back Lower Pain | BL23, BL24, BL25, BL40, GB30, GV03, GV04, GV05 | 7 days | doi:10.1155/2018/4510909 | trial | Point selection reported in a published study. |
| Radicular Pain, Low-back Pain, Paresthesia Lower-limb, Disc-herniation Lumbar | BL23, BL24, BL25, BL26, BL40, BL60, GB03, GV03 | 14 days | doi:10.1155/2018/5871657 | trial | Point selection reported in a published study. |
| Low Back Chronic Pain | BL23, BL24, BL25 | 21 days | doi:10.1097/MD.0000000000013047 | trial | Point selection reported in a published study. |
| Chronic Pain, Back Low Pain, Disability Lumbar | BL23, BL24, BL25, BL26, BL40, BL60, GB30, GB31, GV03 | 56 days | doi:10.1186/s13063-018-3049-x | trial | Point selection reported in a published study. |
| Low Back Pain, Paresthesia Lower Extremity, Disc Herniation Lumbar, Radiating Lower Extremity Pain, Lower Extremity Weakness | BL23, BL24, BL25, BL26, BL40, BL60, GB03, GV03 | 14 days | doi:10.2147/JPR.S234761 | trial | Point selection reported in a published study. |
| Back Low Chronic Pain | BL23, BL24, BL25, BL26, BL40, BL60, GV03 | 56 days | doi:10.1097/MD.0000000000022526 | trial | Point selection reported in a published study. |
| Disability Low Back, Low Back Chronic Pain, Low Back Non-specific Pain | BL23, BL24, BL25, GB30 | 28 days | doi:10.1371/journal.pone.0269282 | trial | Point selection reported in a published study. |
| Tremor, Parkinson's Disease, Low Back Pain, Bradykinesia, Postural Deformity Pisa Syndrome, Scoliosis Lateral Trunk Flexion, Muscle Rigidity Paraspinal | BL22, BL23, BL24, BL25 | 28 days | doi:10.12998/wjcc.v10.i30.11023 | trial | Point selection reported in a published study. |
| Leg Weakness, Low-back Pain, Claudication Neurogenic, Lower-extremity Pain, Stenosis Lumbar-spinal | BL23, BL24, BL25, BL26, BL40, BL60, GB30, GB31, GV03 | 56 days | doi:10.2147/JPR.S399132 | trial | Point selection reported in a published study. |
| Leg Weakness, Low-back Pain, Claudication Neurogenic, Lower-extremity Pain, Stenosis Lumbar-spinal | BL23, BL24, BL25, BL26, BL40, BL60, GB30, GB31, GV03 | 56 days | doi:10.2147/JPR.S399132 | trial | Point selection reported in a published study. |
| Leg Numbness, Lumbar Pain, Back Low Pain, Lower-limb Pain, Lower-limb Numbness, Disc-herniation Lumbar, Herniation Disc Lumbar | SP06, BL22, BL23, BL24, BL25, BL26, BL40, KD03, GB30 | 10 days | doi:10.12998/wjcc.v11.i10.2308 | trial | Point selection reported in a published study. |
| Low-back Pain, Lower-leg Radiating Pain, Buttock Referred Pain, Claudication Neurogenic Intermittent, Stenosis Lumbar Degenerative | BL23, BL24, BL25, BL40, BL60, GB30 | 42 days | doi:10.3390/medicina59122166 | trial | Point selection reported in a published study. |
| Sciatica, Lumbar Pain, Low Back Pain, Lumbar Disc Herniation, Disc-herniation Lumbar, Lower-extremity Right Pain, Leg Right Numbness, Scoliosis Lumbar | BL23, BL24, BL25, BL26, BL36, BL37, BL40, BL57, BL60, GB30 | 84 days | doi:10.1097/MD.0000000000036684 | trial | Point selection reported in a published study. |
| Back Low Chronic Pain | BL23, BL24, BL25 | 14 days | doi:10.1016/j.jams.2019.04.005 | trial | Point selection reported in a published study. |
| Radiculopathy, Lower-limb Numbness, Lower-back Pain, Radiating Lower-limb Pain, Disc-herniation Lumbar Extruded | BL23, BL24, BL25, BL26, BL27, BL28, BL29, BL30, GB30 | 28 days | doi:10.3389/fneur.2024.1381292 | trial | Point selection reported in a published study. |
| Knee Pain, Swollen Knee, Stiffness Knee, Knee Post-surgical Problems | ST34, ST35, ST36, SP09, SP10, BL24, BL25, BL40, GB34, LV08, LV09 | 28 days | doi:10.2147/JPR.S453133 | trial | Point selection reported in a published study. |
| Low-back Pain, Chronic Pain | BL23, BL24, BL25 | 28 days | doi:10.1186/s12906-025-04891-1 | trial | Point selection reported in a published study. |
| Urinary Incontinence Stress, Pelvic Floor Dysfunction | ST36, SP06, BL23, BL24, BL31, BL32, BL33, BL34, BL35, CV03, CV04 | 28 days | doi:10.11817/j.issn.1672-7347.2025.240242 | trial | Point selection reported in a published study. |
| Neuropathic Pain, Sensory Disturbance, Claudication Neurogenic, Lumbar Spinal Stenosis Pain, Radiating Lower Leg Pain, Low Back Pain, Motor Weakness | BL23, BL24, BL25, BL40, BL60, GB30 | 28 days | doi:10.3390/medicina62010225 | trial | Point selection reported in a published study. |
| Groin Pain, Lower Back Pain, Sacroiliac Pain, Pubic Symphysis Pain, Difficulty Walking, Postpartum Symphysis Pubis Diastasis, Qi Stagnation Blood Stasis | BL23, BL24, BL25, BL26, BL27, BL28, BL29, BL30, BL53, BL54, GB27, GB28 | 23 days | doi:10.21037/acr-2025-189 | trial | Point selection reported in a published study. |
| Sciatica, Lumbago, Leg Pain, Lower Back Pain | BL22, BL23, BL24, BL25, BL52, GV03, GV04, GV05 | 30 days | doi:10.3831/KPI.2012.15.006 | trial | Point selection reported in a published study. |
| Contracture Knee, Brachial Plexus Injury, Muscle Atrophy, Paralysis Upper Extremity, Paralysis Lower Extremity, Contracture Ankle, Contracture Shoulder, Contracture Elbow, Scoliosis, Neuromotor Impairment, Steppage Gait | LU01, LI04, LI05, LI11, LI14, ST34, ST36, ST41, SP09, SP10, SI05, SI06, SI07, SI09, BL11, BL12, BL22, BL23, BL24, BL25, BL26, BL36, BL37, BL39, BL55, BL56, BL57, BL58, BL60, BL61, BL62, KD03, KD04, KD05, KD06, TB09, GB20, GB21, GB40 | 10 days | doi:10.3831/KPI.2013.16.009 | trial | Point selection reported in a published study. |
| Low Back Pain, Leg Radiating Pain, Failed Back Surgery Syndrome | BL23, BL24, BL25 | 112 days | doi:10.1371/journal.pone.0170972 | trial | Point selection reported in a published study. |
| Blood Stasis, Psoriasis Plaque | ST36, SP10, BL24 | 56 days | doi:10.1186/s13063-019-3736-2 | trial | Point selection reported in a published study. |
| Fatigue, Respiratory Dysfunction, Post-covid Rehabilitation | ST36, BL24, BL26, CV12, GV14 | 14 days | doi:10.1016/j.imr.2020.100479 | trial | Point selection reported in a published study. |
| Leg Pain, Buttock Pain, Low Back Pain, Mobility Reduced, Spinal Stenosis Lumbar, Neurogenic Claudication | ST36, ST40, BL22, BL23, BL24, BL25, BL26, BL53, BL54, GB30, GB31, GB34, LV03, GV03, GV04, GV05 | 42 days | doi:10.1016/j.imr.2025.101204 | trial | Point selection reported in a published study. |
| Leg Pain, Leg Numbness, Leg Weakness, Radiculopathy Lumbar, Lower-back Pain | BL22, BL23, BL24, BL25, BL26, BL27, BL31, BL32, BL33, BL34, BL54, GB30, GV03, GV04 | – | doi:10.3831/KPI.2025.28.4.269 | trial | Point selection reported in a published study. |
| Lumbar Pain, Low Back Pain | BL22, BL23, BL24, BL25, BL26 | 6 days | doi:10.15294/kemas.v16i2.22650 | trial | Point selection reported in a published study. |
| Lumbar Pain, Stenosis Lumbar Spinal, Claudication Neurogenic, Lower Extremity Pain | SP06, BL23, BL24, BL25, BL26, BL27, BL36, BL40, BL57, BL60, GB30, GB31, GB34, GV03, GV04 | – | doi:10.13517/j.cnki.ccm.2025.05.015 | trial | Point selection reported in a published study. |
| Back Pain, Lumbar Pain, Back Low Pain | BL23, BL24, BL25, GB30 | 28 days | doi:10.3389/fmed.2023.1021255 | trial | Point selection reported in a published study. |
| Back Pain, Lumbar Stiffness, Lumbar Pain, Back Acute Pain, Low Back Acute Pain | SP06, BL23, BL24, BL25, BL26, BL40, GV03, GV04 | 4 days | doi:10.3390/healthcare11222939 | trial | Point selection reported in a published study. |
| Back Pain, Lumbar Lower Back Pain, Lumbar Pain, Back Low Pain | BL23, BL24, BL25, GB30 | 28 days | doi:10.3389/fmed.2025.1659696 | trial | Point selection reported in a published study. |
| Pelvic Pain, Pubic Pain, Diastasis Symphysis-pubis | BL23, BL24, BL25, BL26, GB27, GB28 | 23 days | doi:10.21037/acr-2025-189 | trial | Point selection reported in a published study. |
| Low Back Pain, Stenosis Lumbar Spinal, Claudication Neurogenic, Leg Radiating Pain | BL23, BL24, BL25, BL40, BL60, GB30 | 28 days | doi:10.3390/medicina62010225 | trial | Point selection reported in a published study. |
| Knee Pain, Osteoarthritis Knee, Stiffness Knee, Postoperative Pain | ST31, ST32, ST34, ST35, ST36, SP09, SP10, BL24, BL25, BL40, GB29, GB30, GB34, LV08, LV09, XL02, XL05A | 28 days | doi:10.2147/JPR.S453133 | trial | Point selection reported in a published study. |
| Sciatica, Back Low Pain, Leg Radiating Pain, Low Back Acute Pain | BL23, BL24, BL25 | 3 days | doi:10.2147/JPR.S597299 | trial | Point selection reported in a published study. |
| Parkinson's Disease, Postural Deformity Pisa Syndrome, Pisa Syndrome | BL22, BL23, BL24, BL25 | 28 days | doi:10.12998/wjcc.v10.i30.11023 | trial | Point selection reported in a published study. |

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AcuiQ-authored prose (symptom and meridian descriptions, the wiki, the auricular crosswalk) is licensed CC-BY-4.0: https://creativecommons.org/licenses/by/4.0/. The assembled protocol compilation is not: build on it with attribution, but do not redistribute it whole as a dataset – https://acuiq.com/terms. The underlying findings are the cited sources' claims – each entry carries its citation; verify against the source before relying on it. Not medical advice: https://acuiq.com/terms