BL22 (Sanjiao Shu Point)

三焦俞sān jiāo yú

Bladder Meridian

Location of acupuncture point BL22 (Sanjiao Shu Point)

100

Indications

Protocols

Location

1.5 thumb widths lateral to the du5 at the level of the lower border of the spinous process of the 1st lumbar vertebra.

Cautions

Avoid deep perpendicular needling.

Indications

Conditions for which BL22 is listed as indicated. An indication list is a reference index, not a prescription – see the protocols below for sourced treatments.

Arthritis Hip Arthritis Hip Arthritis Sacroiliac Joint Arthritis Sacroiliac Joint Back Benefit Digestion Benefit Digestion Benefit Regulate Sanjiao Benefit Regulate Spleen Benefit Regulate Stomach Benefit Regulate Water Passages Stomach Rumbling Stomach Rumbling Chills Alternating Chills Alternating Constriction Oesophagus Constriction Oesophagus Damp Diarrhea Gastrointestinal Disorder Gastrointestinal Disorder Reproductive System Disorder Reproductive System Disorder Abdominal Bloating Abdominal Bloating Dryness Lips Dryness Lips Dysentery Erectile Dysfunction Erectile / Impotence Problems Urinary Problems Urinary Problems Urination Low Problems Urination Low Problems Emaciation Emaciation Female Emaciation Female Eyesight / Vision Dizzy Dizzy Vision Fever Fibroids / Masses Fibroids Masses Fibroids / Masses Ji Ju Hypogastrium Fibroids Masses Ji Ju Hypogastrium Fibroids / Masses Ji Ju Zangdu Fibroids Masses Ji Ju Zangdu Fibroids / Masses Zheng Ju Female Fibroids Masses Zheng Ju Female Heat High Blood Pressure High Blood Pressure Back Stiffness Shoulder Stiffness Immobility Back Immobility Shoulder Infertility Injury Hip Injury Hip Injury Sacroiliac Joint Injury Sacroiliac Joint Jaundice Libido Loss Libido Loss Myalgia Back Long Extensors Myalgia Back Long Extensors Edema Lower Back Pain Lower Back Pain Headache Headache Hip Pain Hip Pain Joint Sacroiliac Pain Joint Sacroiliac Pain Lumbar Spine Pain Lumbar Spine Pain Stomach Ache Stomach Ache Period Dysfunction Period / Menstruation Dysfunction Period / Menstruation Premenstrual Syndrome / Pms Period Premenstrual Syndrome Pms Regulate Sanjiao Regulate Spleen Regulate Stomach Regulate Water Passages Sanjiao Stagnation Sanjiao Stagnation Undigested Food in Stool Undigested Food in Stool Stress Deficiency Taxation Syndrome Deficiency-taxation Syndrome Taste Bitterness Taste Bitterness Urine Blood Urine Blood Urine White Urine White Vomiting

Protocols using BL22

Dysmenorrhea, Menstrual Pain, Mood Changes, Damp-heat Lower-jiao – LI11, ST28, ST29, ST40, SP06, SP09, BL22, BL32, GB34, LV02 (doi:10.1093/ecam/nep239 ↗)
Anxiety Procedural, Procedural Pain – BL21, BL22, BL23, BL52, GB25 (doi:10.1097/j.pain.0000000000000734 ↗)
Back Low Pain, Claudication Neurogenic, Leg Radiating Pain, Spondylolisthesis Lumbar Degenerative – LI04, ST36, BL22, BL23, BL24, BL25, LV03 (doi:10.1097/MD.0000000000010667 ↗)
Diarrhea, Abdominal Pain, Ulcerative Colitis, Blood In Stool – ST25, ST36, SP04, BL16, BL20, BL21, BL22, BL25, KD03, CV04, GV02, GV06 (doi:10.1186/s12906-020-03101-4 ↗)
Anxiety, Stool Loose, Menstruation Irregular, Vision Visual Field Defect, Vision Blind Spot, Neck Myofascial Pain – LI04, LI10, ST36, SP03, SP06, SP09, SP10, HT08, SI03, SI13, BL10, BL18, BL20, BL22, BL23, BL65, PC06, PC07, GB20, GB21, GB34, LV03, GV14, GV20, MS14 (doi:10.1177/21649561211021081 ↗)
Tremor, Parkinson's Disease, Low Back Pain, Bradykinesia, Postural Deformity Pisa Syndrome, Scoliosis Lateral Trunk Flexion, Muscle Rigidity Paraspinal – BL22, BL23, BL24, BL25 (doi:10.12998/wjcc.v10.i30.11023 ↗)
Lumbar Pain, Lower-limb Pain, Lower-limb Numbness, Disc-herniation Lumbar – SP06, BL22, BL23, BL24, BL25, BL26, BL40, KD03, GB30 (doi:10.12998/wjcc.v11.i10.2308 ↗)
Headache, Sore Throat, Joint Pain, Muscle Pain, Fatigue Chronic, Sleep Unrefreshing, Memory Impaired, Fatigue Post-exertional, Cold Intolerance, Concentration Impaired, Yang Deficiency Spleen-kidney, Lumbar Weakness – BL11, BL13, BL14, BL15, BL17, BL18, BL19, BL20, BL21, BL22, BL23, BL25, GV02, GV03, GV04, GV05, GV06, GV07, GV08, GV09, GV10, GV11, GV12, GV13, GV14 (doi:10.1186/s12967-023-04250-z ↗)
Fatigue, Constipation, Insomnia, Weight Loss, Eating Disorder Arfid, Food Avoidance, Abdominal Bloating, Taste Disturbance, Tongue Pain – LI04, ST19, ST20, ST24, ST25, ST36, ST40, SP04, SP06, HT07, SI03, BL15, BL19, BL20, BL21, BL22, KD06, PC06, GV20 (doi:10.7759/cureus.61912 ↗)
Sciatica, Lumbago, Leg Pain, Lower Back Pain – BL22, BL23, BL24, BL25, BL52, GV03, GV04, GV05 (doi:10.3831/KPI.2012.15.006 ↗)
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 (doi:10.3831/KPI.2013.16.009 ↗)
Hyperglycemia, Insulin Resistance, Type 2 Diabetes – LI04, LI11, ST36, SP06, SP09, SP10, BL13, BL17, BL20, BL21, BL22, BL23, BL52, KD03, CV04, CV06, CV12 (doi:10.3892/etm.2017.4379 ↗)
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 (doi:10.1016/j.imr.2025.101204 ↗)
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 ↗)
Urinary Retention Post-stroke – SP06, SP09, BL22, BL23, BL28, BL67, KD03, CV03, CV04, CV06 (doi:10.13048/jkm.16001 ↗)
Lumbar Pain, Low Back Pain – BL22, BL23, BL24, BL25, BL26 (doi:10.15294/kemas.v16i2.22650 ↗)
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 ↗)
Damp – SP03, SP06, SP09, BL20, BL22, BL23, LV13, CV04, CV06 (Deadman, Al-Khafaji & Baker, A Manual of Acupuncture — point group actions)
Ooedema – LU07, LI04, SP06, SP09, BL22, BL23, KD03, KD07, CV09 (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)
Heat Stomach, Damp Spleen, Damp Stomach, Heat Spleen, Heat Stomach, Damp Spleen, Damp Stomach, Heat Spleen – ST22, ST44, SP02, SP04, BL18, BL20, BL22 (Yang Yong-Xuan, clinical point-selection notes)
Damp Stomach, Damp Stomach – ST30, ST40, SP04, BL22 (Yang Yong-Xuan, clinical point-selection notes)
Stomach Food Stagnation, Stomach Food Stagnation – ST30, ST34, ST37, BL21, BL22, KD18, KD21 (Yang Yong-Xuan, clinical point-selection notes)
Renal Colic Pain – BL21, BL22, BL23, BL24, BL26, BL45, BL46, BL47, BL48, BL49 (Acupuncture Versus Titrated Morphine in Patients With Renal Colic. ClinicalTrials.gov NCT02781415)
Eczema, Atopic Dermatitis, Eczema Atopic, Pruritus Skin – LI11, ST25, ST36, SP10, BL13, BL15, BL17, BL19, BL22, BL40, CV12, GV14 (刘悦汤晓冬李伟红翟舒婕余洋. 基于Apriori算法的针灸治疗特应性皮炎选取腧穴规律研究. 河北医学 ., 2023 [CNKI])

BL22 (Sanjiao Shu Point)

Location

Cautions

Indications

Protocols using BL22

Other points on the Bladder Meridian