BL32 Ciliao (Second Bone Hole)

Location

On the sacrum medial and inferior to the posterior superior iliac spine just at the 2nd posterior sacral foramen.

Cautions

Caution in sacroiliac dysfunction.

Indications

Conditions for which BL32 is listed as indicated. An indication list is a reference index, not a prescription – see the protocols below for sourced treatments.

Stomach Rumbling Constipation Diarrhoea WateryShan DisorderBelow Heart BloatingDefecation ProblemsUrinary Problems Menstrual CrampsHardness Below HeartHemiplegia Infertility Vaginal DischargeLeucorrhea Vaginal Discharge RedWhite Vaginal DischargeBack Lumbar NumbnessInferior Limbs NumbnessPain Lower Back Pain Childbirth Pain Genital PainSacrum PainIrregular Periods Period / Menstruation Irregular Urinary Retention SciaticaBi Arthralgia Leg SyndromeBi / Arthralgia Leg SyndromePainful UrinationUrine Dark

TCM actions

What classical sources say BL32 does in the terms of Chinese medicine theory. These describe the point, not a condition.

Benefit Back LumbarBenefit DefecationBenefit LegsBenefit Regulate Jiao LowerBenefit UrinationRegulate Jiao Lower

Protocols using BL32

The 50 best-sourced of 277, ranked by strength of evidence. The count above is the full figure.

Dysmenorrhea Primary – ST28, BL20, BL31, BL32, BL33, BL34, LV03 (doi:10.1016/s0254-6272(09)60035-2 ↗)
Dysmenorrhea Primary – ST25, ST36, SP06, SP08, SP10, BL23, BL32, KD03, GB34, GB39, LV03, CV03, CV04, CV06, GV04 (doi:10.1016/s0254-6272(09)60035-2 ↗)
Dysmenorrhea Primary – ST36, SP06, BL32, CV04 (doi:10.1016/s0254-6272(09)60035-2 ↗)
Dysmenorrhea Primary – SP08, BL18, BL23, BL32 (doi:10.1016/s0254-6272(09)60035-2 ↗)
Leg Pain, Prolapse Of The Lumbar Intervertebral Disc, Low Back Pain – BL23, BL25, BL31, BL32, BL33, BL34, BL40, BL54 (doi:10.1016/s0254-6272(09)60003-0 ↗)
Urinary Retention, Urination Difficulty, Abdominal Distending Pain – SP06, SP09, BL23, BL28, BL32, BL39, CV02, CV03, CV04 (doi:10.1016/s0254-6272(08)60020-5 ↗)
Low Back Pain, Pelvic Girdle Pain, Sacroiliac Pain, Symphysis Pain, Pregnancy Second Trimester, Pregnancy Third Trimester – LI04, ST36, SP12, BL26, BL32, BL33, BL54, BL60, KD11, GB30, GV20 (doi:10.1186/1472-6882-8-34 ↗)
Pregnancy Post-term, Labor Induction – LI04, SP06, BL32, BL54 (doi:10.1080/14767050902906386 ↗)
Bladder Dysfunction Neurogenic, Incontinence Urinary – BL32, CV03, CV04 (doi:10.1093/ecam/nep010 ↗)
Back Pain, Sciatica Pain, Herniated Nucleus Pulposus – BL23, BL24, BL25, BL26, BL31, BL32, BL33, BL34, BL40, BL57, BL60, GB30 (doi:10.1093/ecam/nep085 ↗)
Fatigue, Insomnia, Irritability, Hot Flashes – SP06, HT07, BL15, BL23, BL32, PC06, GB34, LV03, GV20 (doi:10.1016/j.urology.2010.03.033 ↗)
Dysmenorrhea, Menstrual Pain, Qi-blood Stagnation, Mood Changes – LI04, SP04, SP06, SP08, SP10, BL32, LV03, CV03, CV06 (doi:10.1093/ecam/nep239 ↗)
Dysmenorrhea, Menstrual Pain, Mood Changes, Qi-blood Deficiency – ST36, SP06, SP08, BL17, BL20, BL32, CV04, CV06 (doi:10.1093/ecam/nep239 ↗)
Dysmenorrhea, Menstrual Pain, Mood Changes, Damp-heat Lower-jiao – LI11, ST28, ST29, ST40, SP06, SP09, BL22, BL32, GB34, LV02 (doi:10.1093/ecam/nep239 ↗)
Urinary Retention, Incomplete Bladder Emptying, Stroke Sequelae – SP06, BL28, BL32 (doi:10.2147/CIA.S37531 ↗)
Lumbar Pain, Low-back Pain – BL23, BL24, BL25, BL26, BL32, BL40, BL60, GB30, GB34 (doi:10.1155/2013/872142 ↗)
Constipation, Urinary Incontinence, Urinary Retention, Bladder Dysfunction Neurogenic, Bowel Dysfunction Neurogenic, Spinal Cord Injury Traumatic – BL32, BL33, BL35 (doi:10.1155/2013/543174 ↗)
Anxiety, Night Sweats, Infertility Female, Hot Flashes, Vaginal Dryness, Mood Swings, Amenorrhea Premature, Menopause Premature – ST25, ST28, ST29, ST36, SP06, BL32, KD03, GB13, LV03, CV03, CV04, GV20, GV24 (doi:10.1155/2014/718675 ↗)
Enuresis Nocturnal, Bedwetting – ST36, SP04, SP06, SP12, HT07, HT09, BL23, BL28, BL32, KD03, KD05, CV02, CV03, CV06, GV04, GV15, GV20 (doi:10.1177/147323000303100611 ↗)
Obesity, PCOS, Insulin Resistance, Hormonal Imbalance – ST25, SP06, BL17, BL32, CV06, CV12 (doi:10.1016/s0254-6272(13)60166-1 ↗)
Labor Pain, Anxiety Labor, Delivery Pain – BL32 (doi:10.1155/2014/129208 ↗)
Dysmenorrhea, Menstrual Pain, Abdomen Lower Pain – ST36, SP06, SP08, SP10, BL23, BL32, LV03, CV03, CV04, CV06 (doi:10.1155/2015/752194 ↗)
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 ↗)
Labor Pain, Labor Prolonged – BL32 (doi:10.5539/gjhs.v8n3p236 ↗)
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 ↗)
Labor Pain – BL32 (doi:10.1016/s0254-6272(15)30149-7 ↗)
Dizziness, Headache, Syncope, Menstrual Pain, Uterine Bleeding Dysfunctional, Dysmenorrhea Severe, Menstruation Irregular, Clots Menstrual – LU07, LI04, LI11, ST29, ST36, ST40, ST44, SP04, SP06, SP08, SP09, SP10, SI03, BL23, BL32, BL62, KD03, KD06, KD07, KD14, GB41, GB43, LV03, CV03, CV04, CV06, GV04, GV20, GV24 (doi:10.1136/bcr-2018-224725 ↗)
Constipation, Urinary Incontinence, Incontinence Post-surgical – BL32, BL33, BL34 (doi:10.1097/MD.0000000000015687 ↗)
Infertility Female, Hypomenorrhea, Menstrual Irregularity, Fallopian Tube Obstruction Bilateral, Diminished Ovarian Reserve – ST25, BL32, BL33, CV04 (doi:10.1097/MD.0000000000017160 ↗)
Dysuria, Nocturia, Urinary Frequency, Urinary Urgency, Benign Prostatic Hyperplasia, Urinary Obstruction – BL32, BL33 (doi:10.1155/2019/1439141 ↗)
Dysmenorrhea Primary, Menstrual Pain, Pelvic Pain – LI04, ST28, ST36, SP10, BL20, BL32, BL54, LV03 (doi:10.1155/2019/7978180 ↗)
Coccyx Pain, Low-back Pain, Fracture Coccyx, Coccydynia – BL23, BL25, BL32, GV20 (doi:10.1097/MD.0000000000018860 ↗)
Diarrhea, Abdominal Pain, Ulcerative Colitis, Blood In Stool – BL31, BL32, BL33, BL34 (doi:10.1186/s12906-020-03101-4 ↗)
Frequency Urinary, Urgency Urinary, Discomfort Urinary Catheter-related, Suprapubic Pain, Agitation Postoperative – BL32, BL33, BL34, CV03, CV04, CV05, CV06, CV07 (doi:10.1155/2021/6691459 ↗)
Insufficient Lactation, Urinary Retention Postpartum, Uterine Contraction Postpartum Pain, Depression Postpartum – BL31, BL32, BL33, BL34, KD01, CV08 (doi:10.1001/jamanetworkopen.2022.13261 ↗)
Fatigue, Nausea, Diarrhea, Waist Pain, Dysmenorrhea Primary, Menstrual Pain, Lower-abdomen Pain – SP06, BL31, BL32, BL33, BL34, CV04 (doi:10.1155/2022/1281336 ↗)
Nocturia, Urinary Retention Postoperative, Voiding Difficulty – SP06, BL32, CV03, CV04 (doi:10.2147/CIA.S382912 ↗)
Urinary Retention Postoperative, Postoperative Anal Pain, Anal Bloating, Hemorrhoids Mixed Postoperative – BL32, BL33 (doi:10.1007/s00384-023-04403-y ↗)
Dizziness, Tinnitus, Forgetfulness, Knee Pain, Heel Pain, Infertility Female, Lumbosacral Pain, Infertility Advanced-reproductive-age, Kidney-qi-deficiency, Menstruation Dim-color, Menstruation Thin-texture, Libido Decreased – ST25, SP06, BL23, BL32, KD03, KD12, TB03, LV03, CV04, CV12, GV20 (doi:10.1097/MD.0000000000034768 ↗)
Fatigue, Constipation, Abdominal Distension, Voiding Dysfunction, Urinary Retention Acute, Herpes Zoster Sacral – SP06, BL32, BL33, CV02, CV03 (doi:10.1097/MD.0000000000036007 ↗)
Chronic Pain, Low Back Pain, Disability Low Back, Low Back Chronic Pain – SP06, BL23, BL31, BL32, BL33, BL60 (doi:10.1016/j.jams.2018.02.002 ↗)
Fatigue, Dysmenorrhea, Acne, Obesity Abdominal, PCOS, Anovulation – ST25, BL23, BL32, GB26 (doi:10.13702/j.1000-0607.20230575 ↗)
Fatigue, Dizziness, Tinnitus, Depression, Absent Periods, Dysmenorrhea, Insomnia, Infertility, Arthralgia, Oligomenorrhea, Hot Flashes, Vaginal Dryness, Premature Ovarian Insufficiency – SP06, SP10, BL18, BL20, BL23, BL32, KD16, CV04, CV06 (doi:10.3389/fmed.2024.1357824 ↗)
Nocturia, Urinary Frequency, Urinary Urgency, Overactive Bladder, Urge Incontinence – SP06, BL32, BL35, KD03, CV03 (doi:10.2147/IJWH.S494135 ↗)
Infertility, Obesity, PCOS, Insulin Resistance, Hyperandrogenism, Ovulatory Dysfunction – ST25, SP06, BL23, BL32, KD03, KD12, GB13, LV03, CV04, CV12, GV20, GV24 (doi:10.3389/fendo.2024.1509152 ↗)
Depression Postpartum, Mood Disorder Postpartum, Anxiety Postpartum, Insomnia Postpartum, Postpartum Mood Changes – BL31, BL32, BL33, BL34, KD01, CV08 (doi:10.1159/000543477 ↗)
Fecal Incontinence, Sleep Disturbance, Defecation Frequent, Evacuation Incomplete, Bowel Urgency – BL31, BL32, BL33, BL34, GV01 (doi:10.3389/fmed.2025.1517325 ↗)
Fracture Coccyx, Coccyx Pain, Subluxation Coccyx, Difficulty Sitting – BL31, BL32, BL33, BL34 (doi:10.1097/MD.0000000000044068 ↗)
Incontinence Urinary, Incontinence Stress, Prostatectomy Post-radical, Postoperative Radical Prostatectomy – BL32, BL33, BL34 (doi:10.1001/jamanetworkopen.2025.34491 ↗)
Fatigue, Anxiety, Depression, Lumbar Pain, Abdomen Lower Pain, Pelvic Chronic Pain, Bowel Dysfunction Constipation – ST25, SP06, BL23, BL32, BL33, BL35, CV03, CV04, CV12 (doi:10.2147/IJWH.S541559 ↗)

Most often selected alongside BL32

How many sourced protocols in the index pair each point with BL32. Corpus frequency, not a combination to use.

SP06Three Yin Intersection121 protocols
BL23Kidney Shu Point118 protocols
CV04Original Qi Gate100 protocols
BL33Middle Bone Hole90 protocols
CV03Central Pivot70 protocols
ST36Leg Three Miles61 protocols
LV03Great Surge57 protocols
BL31Upper Bone Hole56 protocols
BL34Lower Bone Hole56 protocols
CV06Sea Of Qi47 protocols
KD03Great Stream42 protocols
GV20100 Convergences41 protocols