BL28 Bangguangyu (Bladder Shu Point)

Location

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

Indications

Conditions for which BL28 is listed as indicated. An indication list is a reference index, not a prescription – see the protocols below for sourced treatments.

Protocols using BL28

The 50 best-sourced of 51, ranked by strength of evidence. The count above is the full figure.

• Urinary Retention, Incomplete Bladder Emptying, Stroke Sequelae – SP06, BL28, BL32 (doi:10.2147/CIA.S37531 ↗)
• Enuresis Nocturnal, Bedwetting – ST36, SP04, SP06, SP12, HT07, HT09, BL23, BL28, BL32, KD03, KD05, CV02, CV03, CV06, GV04, GV15, GV20 (doi:10.1177/147323000303100611 ↗)
• 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 (doi:10.1136/acupmed-2015-010828 ↗)
• Spinal Cord Injury, Bladder Dysfunction Neurogenic, Urinary Retention Chronic – SP06, SP09, BL23, BL28, CV02, CV03, CV04, CV06 (doi:10.1155/2016/9245186 ↗)
• Spinal Cord Injury, Bladder Dysfunction Neurogenic, Urinary Retention Chronic – SP06, SP09, BL23, BL28, BL31, BL32, BL33, BL34, CV02, CV03, CV04, CV06 (doi:10.1155/2016/9245186 ↗)
• Nocturia, Benign Prostatic Hyperplasia, Urination Urgency, Urination Hesitancy, Urination Slow Stream, Urination Frequency – ST28, BL23, BL28, CV03, CV06 (doi:10.1097/MD.0000000000030925 ↗)
• Radiculopathy, Lower-limb Numbness, Lower-back Pain, Radiating Lower-limb Pain, Disc-herniation Lumbar Extruded – BL23, BL24, BL25, BL26, BL27, BL28, BL29, BL30, GB30 (doi:10.3389/fneur.2024.1381292 ↗)
• 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 (doi:10.21037/acr-2025-189 ↗)
• Urinary Dysfunction, Pelvic Pain, Prostatitis Chronic – SP06, BL10, BL23, BL28, BL40, BL67, KD01, KD10, CV03, CV04 (doi:10.1186/1749-8546-2-1 ↗)
• Premature Ejaculation, Sexual Dysfunction – ST36, SP12, SP13, BL23, BL27, BL28, BL29, BL30, BL31, BL32, BL33, BL34, BL47, KD01, KD03, CV04, CV06 (doi:10.4103/0973-6131.113408 ↗)
• Urinary Retention Post-stroke – SP06, SP09, BL22, BL23, BL28, BL67, KD03, CV03, CV04, CV06 (doi:10.13048/jkm.16001 ↗)
• Colic Renal, Lumbar Acute Pain – ST36, SP06, SP09, BL23, BL28, GB25, CV03, CV04 (doi:10.1016/j.jtcms.2025.09.006 ↗)
• 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 ↗)
• Depression Post-stroke, Urinary Retention Post-stroke – SP06, SP09, BL28, BL39, LV03, LV05, CV03 (doi:10.27026/d.cnki.ggszc.2023.000230 ↗)
• Dysuria, Urinary Frequency, Urinary Urgency, Urethral Syndrome – SP06, BL23, BL28, CV03, CV04, CV06 (doi:10.19917/j.cnki.1005-0779.024117 ↗)
• Intestinal Disorders, Bowel Disease – BL25, BL28 (doi:10.13703/j.0255-2930.2016.05.028 ↗)
• Enuresis Nocturnal – SP06, BL23, BL28, CV03, CV04 (doi:10.16588/j.cnki.issn2096-8426.2021.06.013 ↗)
• Urinary Retention Post-stroke – ST28, SP06, SP09, BL28, BL32, BL33, BL34, CV03, CV04 (doi:10.19917/j.cnki.1005-0779.023135 ↗)
• Urinary Incontinence, Stroke Sequelae Post-cerebral Infarction – SP06, BL23, BL28, PC06, CV03, CV06, GV26 (doi:10.13460/j.issn.1005-0957.2018.13.0253 ↗)
• 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 ↗)
• 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 ↗)
• Renal Colic Pain – SP06, BL23, BL28, GB25, CV03 (doi:10.27126/d.cnki.ghlzy.2024.000025 ↗)
• Renal Colic Pain – ST36, SP06, SP09, BL23, BL28, BL40, GB25, CV03 (doi:10.27126/d.cnki.ghlzy.2024.000025 ↗)
• Urinary Incontinence Stress – BL28, CV03, CV04, CV06 (doi:10.13703/j.0255-2930.20240331-k0002 ↗)
• Stroke, Urinary Problems, Urinary Retention – SP06, BL28, BL32 (doi:10.2147/cia.s37531 ↗)
• 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 (doi:10.13703/j.0255-2930.20230831-0004 ↗)
• Autonomic Dysfunction, Autonomic Problems, Multiple System Atrophy – ST25, BL23, BL25, BL28, BL32, KD06, CV03, CV04, GV04, GV20 (doi:10.13703/j.0255-2930.20241203-k0005 ↗)
• Low Back Pain, Stenosis Lumbar Spinal, Claudication Neurogenic – BL23, BL25, BL28, XB02L1, XB02L2, XB02L3, XB02L4, XB02L5 (doi:10.1016/j.imr.2026.101323 ↗)
• Sciatica, Low Back Pain, Disc Herniation Lumbar – BL23, BL24, BL25, BL26, BL27, BL28, BL29, BL30, GB30 (doi:10.3389/fneur.2024.1381292 ↗)
• Low Back Pain, Pelvic Girdle Pain – BL23, BL24, BL25, BL26, BL27, BL28, BL31, BL32, BL54 (doi:10.1186/s40814-016-0107-6 ↗)
• 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 ↗)
• Back Low Pain, Claudication Neurogenic, Leg Radiating Pain, Spinal Stenosis Lumbar – BL23, BL25, BL28, XB02L1, XB02L2, XB02L3, XB02L4, XB02L5 (doi:10.1016/j.imr.2026.101323 ↗)
• Cystitis – ST28, SP06, SP09, BL23, BL28, LV05, LV08, CV03 (Deadman, Al-Khafaji & Baker, A Manual of Acupuncture – point group actions)
• Heat Bladder, Damp Bladder, Heat Bladder, Damp Bladder – ST28, SP11, SP12, HT08, BL22, BL27, BL28, BL31, BL35, BL36, BL39, KD10 (Yang Yong-Xuan, clinical point-selection notes)
• 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 (Yang Yong-Xuan, clinical point-selection notes)
• Urinary Retention, Urination Difficulty, Abdominal Distending Pain – SP06, SP09, BL23, BL28, BL32, BL39, CV02, CV03, CV04 (Zhang Dongshu. Thirty-six Cases of Urinary Retention Treated by Acupuncture. Journal of Traditional Chinese Medicine, 2008, 28(2): 83-85)
• 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)
• 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])
• 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])
• Obesity Simple – BL25, BL26, BL27, BL28, BL30, KD03, KD11, KD12, KD13, KD14, KD15, TB06 (Zhang Xiaozhe. A Clinical Survey of Acupuncture Slimming. Journal of Traditional Chinese Medicine 2008; 28(2): 139-147)
• Obesity – ST24, ST25, ST26, ST28, BL23, BL25, BL28, GB26, CV04, CV06, CV07, CV08, CV09, CV12, XB07 (Zhang Xiaozhe. A Clinical Survey of Acupuncture Slimming. Journal of Traditional Chinese Medicine 2008; 28(2): 139-147)
• Urinary Retention, Urinary Retention Post-stroke – SP06, BL28, BL32 (Yu KW et al.. Effects of electroacupuncture on recent stroke inpatients with incomplete bladder emptying: a preliminary study. Clinical Interventions in Aging, 2012)
• Kidney Qi Deficiency, Nocturnal Emission Wet Dream, Incontinence Bladder, Kidney Qi Deficiency, Nocturnal Emission Wet Dream, Incontinence Bladder – SP06, BL23, BL28, LV01, CV03 (sacredlotus.com ↗)
• 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 (sacredlotus.com ↗)
• 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 (sacredlotus.com ↗)
• Urinary Retention, Heat Bladder, Urinary Retention, Heat Bladder – SP06, BL28, BL39, CV03 (sacredlotus.com ↗)
• Discomfort Urination, Dysuria, Calculi, Infection Urinary, Urolithiasis, Discomfort Urination, Infection Urinary – SP09, BL28, BL39, CV03 (sacredlotus.com ↗)
• Discomfort Urination, Dysuria, Infection Urinary, Urolithiasis, Urine Milky, Discomfort Urination, Infection Urinary, Urine Milky – SP09, BL23, BL28, KD06, CV03 (sacredlotus.com ↗)
• Discomfort Urination, Dysuria, Infection Urinary, Urolithiasis, Overstrain, Discomfort Urination, Infection Urinary – ST36, SP09, BL28, CV03, CV06, GV20 (sacredlotus.com ↗)
• Discomfort Urination, Dysuria, Infection Urinary, Urolithiasis, Qi Problems, Discomfort Urination, Infection Urinary, Qi Problems – SP09, BL28, LV02, CV03 (sacredlotus.com ↗)

Most often selected alongside BL28

How many sourced protocols in the index pair each point with BL28. Corpus frequency, not a combination to use.

• BL23Kidney Shu Point33 protocols
• CV03Central Pivot33 protocols
• SP06Three Yin Intersection28 protocols
• CV04Original Qi Gate18 protocols
• SP09Yin Mound Spring17 protocols
• CV06Sea Of Qi15 protocols
• BL32Second Bone Hole14 protocols
• BL25Large Intestine Shu Point13 protocols
• ST36Leg Three Miles10 protocols
• BL27Small Intestine Shu Point9 protocols
• BL26Original Qi Gate Shu Point7 protocols
• KD03Great Stream7 protocols

Other points on the Bladder Meridian