# BL28 Bangguangyu (Bladder Shu Point) – Bladder Meridian

膀胱俞 · bǎng guāng yú

Location: 1.5 thumb widths lateral to the du mai at the level of the 2nd posterior sacral foramen.

Cautions: Avoid deep perpendicular needling.

Canonical page: https://acuiq.com/points/bl28

## Indications

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

Muscle Wasting, Leg Muscle Wasting, Leg Muscle Wasting, Benefit Back Lumbar, Benefit Back Lumbar, Benefit Legs, Benefit Legs, Benefit Legs Inferior, Benefit Legs Inferior, Benefit Regulate Bladder, Constipation, Damp Itchiness, Damp Itchiness, Qi Deficiency, Qi Deficiency, Penis Swelling Deficiency, Deficiency-swelling Penis, Diarrhea, Defecation Problems, Defecation Problems, Urinary Problems, Urinary Problems, Bedwetting, Fibroids / Masses, Fibroids Masses, Fibroids / Masses Jia Ju Abdomen, Fibroids Masses Jia Ju Abdomen, Fibroids / Masses Ji Hard, Fibroids Masses Ji Hard, Fibroids / Masses Ju, Fibroids Masses Ju, Abdominal Fullness, Abdominal Fullness, Heaviness Leg, Heaviness Leg, Sitting For Long Stiffness, Immobility Sitting For Long, Leg Numbness, Leg Numbness, Abdominal Pain, Abdominal Pain, Buttock Pain, Buttock Pain, Coccyx Pain, Coccyx Pain, Genitals External Pain, Genitals External Pain, Sacrum Pain, Sacrum Pain, Lumbar Spine Pain, Lumbar Spine Pain, Vagina Pain, Vagina Pain, Regulate Bladder, Urinary Retention, Urinary Retention, Sciatica, Stagnation, Swelling, Damp Heat Jiao Lower Syndrome, Damp-heat Jiao Lower Syndrome, Thirsting Excessive, Thirsting Excessive, Ulceration Genitals, Ulceration Genitals, Urination Irregular Flow, Urination Irregular Flow, Painful Urination, Painful Urination, Urine Cloudy, Urine Cloudy, Urine Dark, Urine Dark

## Most often selected alongside BL28

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

- BL23 (Kidney Shu Point) – 33 protocols
- CV03 (Central Pivot) – 33 protocols
- SP06 (Three Yin Intersection) – 28 protocols
- CV04 (Original Qi Gate) – 18 protocols
- SP09 (Yin Mound Spring) – 17 protocols
- CV06 (Sea Of Qi) – 15 protocols
- BL32 (Second Bone Hole) – 14 protocols
- BL25 (Large Intestine Shu Point) – 13 protocols

## Protocols using BL28 (50 best-sourced of 51)

| Symptoms | Points | Course | Source | Kind | Caveat |
|---|---|---|---|---|---|
| Urinary Retention, Incomplete Bladder Emptying, Stroke Sequelae | SP06, BL28, BL32 | 14 days | doi:10.2147/CIA.S37531 | trial | Point selection reported in a published study. |
| Enuresis Nocturnal, Bedwetting | ST36, SP04, SP06, SP12, HT07, HT09, BL23, BL28, BL32, KD03, KD05, CV02, CV03, CV06, GV04, GV15, GV20 | 180 days | doi:10.1177/147323000303100611 | trial | Point selection reported in a published study. |
| Incontinence Urinary Stress, Incontinence Urinary Mixed, Incontinence Urinary Urgency | SP03, SP06, BL14, BL18, BL20, BL23, BL28, BL31, BL32, BL33, BL34, KD03, KD07, PC06, LV03, CV03, CV04, CV06, GV04, GV20 | 84 days | doi:10.1136/acupmed-2015-010828 | trial | Point selection reported in a published study. |
| Spinal Cord Injury, Bladder Dysfunction Neurogenic, Urinary Retention Chronic | SP06, SP09, BL23, BL28, CV02, CV03, CV04, CV06 | 14 days | doi:10.1155/2016/9245186 | trial | Point selection reported in a published study. |
| Spinal Cord Injury, Bladder Dysfunction Neurogenic, Urinary Retention Chronic | SP06, SP09, BL23, BL28, BL31, BL32, BL33, BL34, CV02, CV03, CV04, CV06 | 14 days | doi:10.1155/2016/9245186 | trial | Point selection reported in a published study. |
| Nocturia, Benign Prostatic Hyperplasia, Urination Urgency, Urination Hesitancy, Urination Slow Stream, Urination Frequency | ST28, BL23, BL28, CV03, CV06 | 126 days | doi:10.1097/MD.0000000000030925 | 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. |
| 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. |
| Urinary Dysfunction, Pelvic Pain, Prostatitis Chronic | SP06, BL10, BL23, BL28, BL40, BL67, KD01, KD10, CV03, CV04 | 42 days | doi:10.1186/1749-8546-2-1 | trial | Point selection reported in a published study. |
| Premature Ejaculation, Sexual Dysfunction | ST36, SP12, SP13, BL23, BL27, BL28, BL29, BL30, BL31, BL32, BL33, BL34, BL47, KD01, KD03, CV04, CV06 | 21 days | doi:10.4103/0973-6131.113408 | trial | Point selection reported in a published study. |
| Urinary Retention Post-stroke | SP06, SP09, BL22, BL23, BL28, BL67, KD03, CV03, CV04, CV06 | 28 days | doi:10.13048/jkm.16001 | trial | Point selection reported in a published study. |
| Colic Renal, Lumbar Acute Pain | ST36, SP06, SP09, BL23, BL28, GB25, CV03, CV04 | – | doi:10.1016/j.jtcms.2025.09.006 | trial | Point selection reported in a published study. |
| Urinary Retention Postoperative, Urinary Retention Post-hemorrhoidectomy | ST28, ST36, SP06, SP09, SP10, BL28, BL57, KD03, CV03, CV04, CV06, CV08 | – | doi:10.19917/j.cnki.1005-0779.024179 | trial | Point selection reported in a published study. |
| Depression Post-stroke, Urinary Retention Post-stroke | SP06, SP09, BL28, BL39, LV03, LV05, CV03 | 28 days | doi:10.27026/d.cnki.ggszc.2023.000230 | trial | Point selection reported in a published study. |
| Dysuria, Urinary Frequency, Urinary Urgency, Urethral Syndrome | SP06, BL23, BL28, CV03, CV04, CV06 | – | doi:10.19917/j.cnki.1005-0779.024117 | trial | Point selection reported in a published study. |
| Intestinal Disorders, Bowel Disease | BL25, BL28 | – | doi:10.13703/j.0255-2930.2016.05.028 | trial | Point selection reported in a published study. |
| Enuresis Nocturnal | SP06, BL23, BL28, CV03, CV04 | – | doi:10.16588/j.cnki.issn2096-8426.2021.06.013 | trial | Point selection reported in a published study. |
| Urinary Retention Post-stroke | ST28, SP06, SP09, BL28, BL32, BL33, BL34, CV03, CV04 | – | doi:10.19917/j.cnki.1005-0779.023135 | trial | Point selection reported in a published study. |
| Urinary Incontinence, Stroke Sequelae Post-cerebral Infarction | SP06, BL23, BL28, PC06, CV03, CV06, GV26 | – | doi:10.13460/j.issn.1005-0957.2018.13.0253 | trial | Point selection reported in a published study. |
| Urinary Retention | LI04, ST28, ST36, SP06, SP09, SP10, BL22, BL23, BL28, BL32, BL54, KD03, LV03, CV02, CV03, CV04, CV06, GV20 | – | doi:10.13288/j.11-2166/r.2013.23.017 | trial | Point selection reported in a published study. |
| Spinal Cord Injury, Neurogenic Bladder, Urinary Dysfunction Retention | ST36, SP06, SP09, BL23, BL28, BL31, BL32, BL33, BL34, CV03, CV04, CV06 | – | doi:10.16294/j.cnki.1007-659x.2020.02.006 | trial | Point selection reported in a published study. |
| Renal Colic Pain | SP06, BL23, BL28, GB25, CV03 | 1 days | doi:10.27126/d.cnki.ghlzy.2024.000025 | trial | Point selection reported in a published study. |
| Renal Colic Pain | ST36, SP06, SP09, BL23, BL28, BL40, GB25, CV03 | 1 days | doi:10.27126/d.cnki.ghlzy.2024.000025 | trial | Point selection reported in a published study. |
| Urinary Incontinence Stress | BL28, CV03, CV04, CV06 | – | doi:10.13703/j.0255-2930.20240331-k0002 | trial | Point selection reported in a published study. |
| Stroke, Urinary Problems, Urinary Retention | SP06, BL28, BL32 | 14 days | doi:10.2147/cia.s37531 | trial | Point selection reported in a published study. |
| Urinary Frequency, Incontinence Bladder, Urinary Retention, Spinal Cord Injury, Bladder Dysfunction Neurogenic, Incontinence Urinary, Bladder Dysfunction, Spinal Cord Injury Incomplete | BL23, BL28, BL32, CV03, CV04, GV03, GV04 | 42 days | doi:10.13703/j.0255-2930.20230831-0004 | trial | Point selection reported in a published study. |
| Autonomic Dysfunction, Autonomic Problems, Multiple System Atrophy | ST25, BL23, BL25, BL28, BL32, KD06, CV03, CV04, GV04, GV20 | 28 days | doi:10.13703/j.0255-2930.20241203-k0005 | trial | Point selection reported in a published study. |
| Low Back Pain, Stenosis Lumbar Spinal, Claudication Neurogenic | BL23, BL25, BL28, XB02L1, XB02L2, XB02L3, XB02L4, XB02L5 | 84 days | doi:10.1016/j.imr.2026.101323 | trial | Point selection reported in a published study. |
| Sciatica, Low Back Pain, Disc Herniation Lumbar | BL23, BL24, BL25, BL26, BL27, BL28, BL29, BL30, GB30 | 23 days | doi:10.3389/fneur.2024.1381292 | trial | Point selection reported in a published study. |
| Low Back Pain, Pelvic Girdle Pain | BL23, BL24, BL25, BL26, BL27, BL28, BL31, BL32, BL54 | – | doi:10.1186/s40814-016-0107-6 | trial | Point selection reported in a published study. |
| Pubic Symphysis Pain, Postpartum Symphysis Pubis Diastasis | BL23, BL24, BL25, BL26, BL27, BL28, BL29, BL30, BL53, BL54, GB27, GB28 | – | doi:10.21037/acr-2025-189 | trial | Point selection reported in a published study. |
| Back Low Pain, Claudication Neurogenic, Leg Radiating Pain, Spinal Stenosis Lumbar | BL23, BL25, BL28, XB02L1, XB02L2, XB02L3, XB02L4, XB02L5 | 84 days | doi:10.1016/j.imr.2026.101323 | trial | Point selection reported in a published study. |
| Cystitis | ST28, SP06, SP09, BL23, BL28, LV05, LV08, CV03 | 7 days | Deadman, Al-Khafaji & Baker, A Manual of Acupuncture – point group actions | text | Point selection recorded in a clinical text or case report. |
| Heat Bladder, Damp Bladder, Heat Bladder, Damp Bladder | ST28, SP11, SP12, HT08, BL22, BL27, BL28, BL31, BL35, BL36, BL39, KD10 | 7 days | Yang Yong-Xuan, clinical point-selection notes | text | Point selection recorded in a clinical text or case report. |
| Damp Large Intestine, Heat Large Intestine, Damp Large Intestine, Heat Large Intestine | LI01, LI03, LI09, LI11, ST22, ST25, SP04, SP15, SP16, BL25, BL27, BL28, BL37, BL39 | 7 days | Yang Yong-Xuan, clinical point-selection notes | text | Point selection recorded in a clinical text or case report. |
| Urinary Retention, Urination Difficulty, Abdominal Distending Pain | SP06, SP09, BL23, BL28, BL32, BL39, CV02, CV03, CV04 | 3 days | Zhang Dongshu. Thirty-six Cases of Urinary Retention Treated by Acupuncture. Journal of Traditional Chinese Medicine, 2008, 28(2): 83-85 | text | Point selection recorded in a clinical text or case report. |
| Lumbar Disc Herniation | ST36, BL24, BL25, BL26, BL28, BL57, GB30, GB34 | – | Clinical Research on the Efficacy of Thread-embedding Acupuncture on Herniated Intervertebral Disc of Lumbar Spine. ClinicalTrials.gov NCT03236753 | text | Point selection recorded in a clinical text or case report. |
| Urinary Retention Postoperative | SP06, BL28, CV03 | – | 陈燕萍郑培秋何艳英颜少芳邓桂花. 穴位脉冲电刺激预防腹部术后尿潴留的效果观察. 现代中西医结合杂志 ., 2009 [CNKI] | text | Point selection recorded in a clinical text or case report. |
| Leg Pain, Shoulder Pain, Neck Pain, Lumbar Pain, Yang Type Pain | SI06, BL23, BL28, BL40, BL43, BL60, PC07, GV09, GV14, GV20 | – | 曹文忠. 提高针灸治痛疗效创新理论的探讨. 江西中医药 ., 2011 [CNKI] | text | Point selection recorded in a clinical text or case report. |
| Obesity Simple | BL25, BL26, BL27, BL28, BL30, KD03, KD11, KD12, KD13, KD14, KD15, TB06 | 90 days | Zhang Xiaozhe. A Clinical Survey of Acupuncture Slimming. Journal of Traditional Chinese Medicine 2008; 28(2): 139-147 | text | Point selection recorded in a clinical text or case report. |
| Obesity | ST24, ST25, ST26, ST28, BL23, BL25, BL28, GB26, CV04, CV06, CV07, CV08, CV09, CV12, XB07 | 60 days | Zhang Xiaozhe. A Clinical Survey of Acupuncture Slimming. Journal of Traditional Chinese Medicine 2008; 28(2): 139-147 | text | Point selection recorded in a clinical text or case report. |
| Urinary Retention, Urinary Retention Post-stroke | SP06, BL28, BL32 | 14 days | Yu KW et al.. Effects of electroacupuncture on recent stroke inpatients with incomplete bladder emptying: a preliminary study. Clinical Interventions in Aging, 2012 | text | Point selection recorded in a clinical text or case report. |
| Kidney Qi Deficiency, Nocturnal Emission Wet Dream, Incontinence Bladder, Kidney Qi Deficiency, Nocturnal Emission Wet Dream, Incontinence Bladder | SP06, BL23, BL28, LV01, CV03 | 7 days | sacredlotus.com | web | Point selection published on a website. Not peer-reviewed – check it before relying on it. |
| Kidney Qi Deficiency, Nocturnal Emission Wet Dream, Incontinence Bladder, Dreaming, Kidney Qi Deficiency, Nocturnal Emission Wet Dream, Incontinence Bladder | SP06, HT07, BL23, BL28, LV01, CV03 | 7 days | sacredlotus.com | web | Point selection published on a website. Not peer-reviewed – check it before relying on it. |
| Kidney Qi Deficiency, Nocturnal Emission Wet Dream, Incontinence Bladder, Appetite Low, Kidney Qi Deficiency, Nocturnal Emission Wet Dream, Incontinence Bladder, Appetite Low | ST36, SP06, BL20, BL23, BL28, LV01, CV03 | 7 days | sacredlotus.com | web | Point selection published on a website. Not peer-reviewed – check it before relying on it. |
| Urinary Retention, Heat Bladder, Urinary Retention, Heat Bladder | SP06, BL28, BL39, CV03 | 7 days | sacredlotus.com | web | Point selection published on a website. Not peer-reviewed – check it before relying on it. |
| Discomfort Urination, Dysuria, Calculi, Infection Urinary, Urolithiasis, Discomfort Urination, Infection Urinary | SP09, BL28, BL39, CV03 | 7 days | sacredlotus.com | web | Point selection published on a website. Not peer-reviewed – check it before relying on it. |
| Discomfort Urination, Dysuria, Infection Urinary, Urolithiasis, Urine Milky, Discomfort Urination, Infection Urinary, Urine Milky | SP09, BL23, BL28, KD06, CV03 | 7 days | sacredlotus.com | web | Point selection published on a website. Not peer-reviewed – check it before relying on it. |
| Discomfort Urination, Dysuria, Infection Urinary, Urolithiasis, Overstrain, Discomfort Urination, Infection Urinary | ST36, SP09, BL28, CV03, CV06, GV20 | 7 days | sacredlotus.com | web | Point selection published on a website. Not peer-reviewed – check it before relying on it. |
| Discomfort Urination, Dysuria, Infection Urinary, Urolithiasis, Qi Problems, Discomfort Urination, Infection Urinary, Qi Problems | SP09, BL28, LV02, CV03 | 7 days | sacredlotus.com | web | Point selection published on a website. Not peer-reviewed – check it before relying on it. |

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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