Location
On the sacrum at the midpoint between posterior superior iliac spine and posterior midline just at the 1st posterior sacral foramen.
Cautions
Caution in sacroiliac dysfunction.
Indications
Conditions for which BL31 is listed as indicated. An indication list is a reference index, not a prescription – see the protocols below for sourced treatments.
Benefit Back LumbarBenefit Back LumbarBenefit Benefits OvariesBenefit BladderBenefit BladderBenefit DefecationBenefit DefecationBenefit Fallopian TubesBenefit Fallopian TubesBenefit LegsBenefit LegsBenefit Regulate Jiao LowerBenefits OvariesBenefit UrinationBenefit UrinationCommon ColdCongestion LocalCongestion LocalDefecation ProblemsDefecation ProblemsErectile DysfunctionErectile / Impotence ProblemsUrinary ProblemsUrinary ProblemsMenstrual CrampsFeverInfertilityInflammationGenital ItchingGenital ItchingVaginal DischargeVaginal DischargeLeucorrhea Vaginal Discharge WhiteLeucorrhea Vaginal Discharge WhiteMalarial ChillsNosebleedBack PainBack PainLower Back PainLower Back PainGenital PainGenital PainKnee PainKnee PainLocal PainLocal PainIrregular PeriodsPeriod / Menstruation IrregularUterine ProlapseUterine ProlapseRegulate Jiao LowerVomiting
Protocols using BL31
- Diarrhea, Abdominal Pain, Ulcerative Colitis, Blood In Stool – BL31, BL32, BL33, BL34 (https://doi.org/10.1186/s12906-020-03101-4)
- Urinary Incontinence Stress Postpartum – BL31, BL32, BL33, BL34 (https://doi.org/10.13359/j.cnki.gzxbtcm.2022.10.021)
- Urinary Incontinence Stress Postpartum – BL31, BL32, BL33, BL34, CV08 (https://doi.org/10.13359/j.cnki.gzxbtcm.2022.10.021)
- Fatigue, Nausea, Diarrhea, Waist Pain, Dysmenorrhea Primary, Menstrual Pain, Lower-abdomen Pain – SP06, BL31, BL32, BL33, BL34, CV04 (https://doi.org/10.1155/2022/1281336)
- Urinary Incontinence Stress, Pelvic Floor Dysfunction – ST36, SP06, BL23, BL24, BL31, BL32, BL33, BL34, BL35, CV03, CV04 (https://doi.org/10.11817/j.issn.1672-7347.2025.240242)
- Spinal Cord Injury, Bladder Dysfunction Neurogenic, Urinary Retention Chronic – SP06, SP09, BL23, BL28, BL31, BL32, BL33, BL34, CV02, CV03, CV04, CV06 (https://doi.org/10.1155/2016/9245186)
- PCOS, Kidney-yang Deficiency – BL31, BL32, BL33, BL34 (王任阳陈培芳夏德鹏陈燕军张雪飞高楠. 针刺结合隔姜灸八髎穴治疗肾阳虚证多囊卵巢综合征疗效观察. 亚太传统医药 ., 2023 [CNKI])
- Lactation Insufficient, Urinary Retention Postpartum, Uterine Contraction Postpartum Pain, Depression Postpartum – BL31, BL32, BL33, BL34, KD01, CV08 (https://doi.org/10.1001/jamanetworkopen.2022.13261)
- Dysuria, Urinary Frequency, Urinary Urgency, Benign Prostatic Hyperplasia, Lower Urinary Tract Symptoms – BL31, BL32, BL33, BL34 (https://doi.org/10.27465/d.cnki.gzzyc.2024.000579)
- Depression Postpartum, Mood Disorder Postpartum, Anxiety Postpartum, Insomnia Postpartum – BL31, BL32, BL33, BL34, KD01, CV08 (https://doi.org/10.1159/000543477)
- Leg Pain, Prolapse Of The Lumbar Intervertebral Disc, Low Back Pain – BL23, BL25, BL31, BL32, BL33, BL34, BL40, BL54 (ZHAO Bin-xiu et al. Clinical Effects of Acupuncture after Surgical Operation in Patients with Prolapse of the Lumbar Intervertebral Disc. Journal of Traditional Chinese Medicine, 2008, 28(4): 250-254)
- Labour Prolonged, Labour Prolonged, Labour Delayed, Labour Induce – LI04, SP06, BL31, BL32, BL60, BL67, GB21, LV03, LV05 (PGA)