# XB02L4 Huatuojiaji (Hua Tuo's Para-Vertebral Point - L4) – Extra Points: Back

華佗夾脊 · huá tuó jiā jǐ

Location: 0.5 - 1 thumb width lateral to the depressions below the spinous processes of the fourth lumbar vertebra.

Cautions: Caution near spinal cord; avoid deep perpendicular needling.

Canonical page: https://acuiq.com/points/xb02l4

## Indications

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

Benefit Regulate Five Zang, Benefit Regulate Six Fu, Benefit Regulate Yang, Benefit Regulate Yin, Circulation Blood, Circulation Blood, Bladder Disorder, Bladder Disorder, Large Intestine Disorder, Large Intestine Disorder, Leg Disorder, Leg Disorder, Small Intestine Disorder, Small Intestine Disorder, Uterus Disorder, Uterus Disorder, Regulate Five Zang, Regulate Six Fu, Regulate Yang, Regulate Yin, Qi Stagnation, Qi Stagnation

## Most often selected alongside XB02L4

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

- XB02L3 (Hua Tuo's Para-Vertebral Point - L3) – 20 protocols
- XB02L5 (Hua Tuo's Para-Vertebral Point - L5) – 19 protocols
- XB02L2 (Hua Tuo's Para-Vertebral Point - L2) – 16 protocols
- BL25 (Large Intestine Shu Point) – 14 protocols
- BL23 (Kidney Shu Point) – 13 protocols
- XB02L1 (Hua Tuo's Para-Vertebral Point - L1) – 12 protocols
- BL40 (Middle Of The Crease) – 11 protocols
- GB30 (Jumping Circle) – 9 protocols

## Protocols using XB02L4

| Symptoms | Points | Course | Source | Kind | Caveat |
|---|---|---|---|---|---|
| Leg Swelling, Gait Impaired, Stiff Skin Syndrome, Skin Sclerosis, Limited Joint Mobility | BL40, GB29, GB30, GB31, GB34, XB02L2, XB02L3, XB02L4, MS08 | 12 days | doi:10.13703/j.0255-2930.20240824-k0002 | 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 | BL23, BL25, GB30, XB02L1, XB02L2, XB02L3, XB02L4, XB02L5 | 21 days | doi:10.13703/j.0255-2930.20210405-k0004 | trial | Point selection reported in a published study. |
| Fatigue, Fatigue Post-stroke | PC06, GV26, XB02L1, XB02L2, XB02L3, XB02L4, XB02L5, XB02T1, XB02T10, XB02T11, XB02T12, XB02T2, XB02T3, XB02T4, XB02T5, XB02T6, XB02T7, XB02T8, XB02T9 | 28 days | doi:10.13703/j.0255-2930.20211104-0002 | trial | Point selection reported in a published study. |
| Low Back Pain, Low Back Acute Pain | SP06, BL23, BL24, BL25, BL26, BL40, XB02L3, XB02L4, XB02L5 | – | doi:10.3390/healthcare11222939 | trial | Point selection reported in a published study. |
| Low Back Pain, Low Back Acute Pain | SP06, BL23, BL24, BL25, BL26, BL40, GV03, GV04, XB02L3, XB02L4, XB02L5 | – | doi:10.3390/healthcare11222939 | trial | Point selection reported in a published study. |
| Buttock Pain, Gluteal Pain | SP06, BL40, BL54, GB30, GB34, XB02L1, XB02L2, XB02L3, XB02L4, XB02L5 | 28 days | doi:10.13703/j.0255-2930.2016.10.011 | trial | Point selection reported in a published study. |
| Low Back Pain, Lumbar Disc Herniation | BL23, GV03, GV04, XB02L1, XB02L2, XB02L3, XB02L4, XB02L5 | – | doi:10.2147/JPR.S457724 | trial | Point selection reported in a published study. |
| Low Back Pain, Lumbar Disc Herniation | BL23, BL25, BL40, XB02L1, XB02L2, XB02L3, XB02L4, XB02L5 | – | doi:10.2147/JPR.S457724 | trial | Point selection reported in a published study. |
| Low Back Chronic Pain, Lumbar Disc Herniation | BL23, BL25, BL40, GV03, XB02L3, XB02L4, XB02L5 | 28 days | doi:10.13703/j.0255-2930.20240522-k0002 | trial | Point selection reported in a published study. |
| Stiff Skin Syndrome, Skin Sclerosis | BL40, GB29, GB30, GB31, GB34, XB02L2, XB02L3, XB02L4, MS08 | 28 days | doi:10.13703/j.0255-2930.20240824-k0002 | trial | Point selection reported in a published study. |
| Leg Pain, Low Back Pain, Spinal Stenosis Lumbar Degenerative, Claudication Neurogenic | ST36, ST40, BL22, BL23, BL24, BL25, BL26, BL53, BL54, GB30, GB31, GB34, LV03, GV03, GV04, GV05, XB02L1, XB02L2, XB02L3, XB02L4, XB02L5 | – | doi:10.1016/j.imr.2025.101204 | trial | Point selection reported in a published study. |
| Leg Pain, Low Back Pain, Spinal Stenosis Lumbar Degenerative, Claudication Neurogenic | SP09, BL23, BL25, BL32, BL39, BL40, BL51, BL52, BL54, BL57, BL60, GB30, GB34, GB39, GV03, XB02L1, XB02L2, XB02L3, XB02L4, XB02L5 | – | doi:10.1016/j.imr.2025.101204 | trial | Point selection reported in a published study. |
| Low Back Pain, Spinal Stenosis Lumbar Degenerative, Stenosis Lumbar Spinal, Claudication Neurogenic | BL23, BL24, BL25, BL40, BL60, GB30, XB02L2, XB02L3, XB02L4, XB02L5 | 28 days | doi:10.3390/medicina62010225 | 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. |
| Lung Cancer, Hip Pain, Bone Metastasis | ST32, ST36, BL23, BL25, BL54, BL60, GB31, GB34, GB41, LV03, XB02L2, XB02L3, XB02L4, XB02L5 | – | doi:10.3389/fonc.2026.1684346 | trial | Point selection reported in a published study. |
| Sciatica, Low Back Pain, Lumbar Disc Herniation | BL40, BL54, BL57, BL60, GB30, GB31, GB34, GB39, XB02L4, XB02L5, XB02S1 | 28 days | doi:10.1155/prm/9030734 | trial | Point selection reported in a published study. |
| Low Back Pain, Lumbar Disc Herniation | BL23, BL25, BL40, XB02L3, XB02L4, XB02L5, XB02S1 | 14 days | doi:10.2147/JPR.S594368 | trial | Point selection reported in a published study. |
| Constipation | LI04, ST25, ST36, ST37, SP06, SP15, BL25, TB06, CV04, CV06, XB02L1, XB02L2, XB02L3, XB02L4, XB02L5, XB02T10, XB02T11, XB02T12 | 7 days | Deadman, Al-Khafaji & Baker, A Manual of Acupuncture – point group actions | text | Point selection recorded in a clinical text or case report. |
| Diarrhea | ST25, ST36, ST37, SP03, SP06, SP09, BL25, CV06, CV08, XB02L1, XB02L2, XB02L3, XB02L4, XB02L5, XB02T10, XB02T11, XB02T12 | 7 days | Deadman, Al-Khafaji & Baker, A Manual of Acupuncture – point group actions | text | Point selection recorded in a clinical text or case report. |
| Qi Stagnation, Stasis Blood, Paralysis (infant), Benefit Regulate Yin, Benefit Regulate Wei, Paralysis Lower Limb, Qi Stagnation, Stasis Blood, Paralysis (infant), Benefit Regulate Yin, Benefit Regulate Wei, Paralysis Lower Limb | ST31, ST36, ST41, SP06, BL60, GB30, GB34, GB39, XB02L1, XB02L2, XB02L3, XB02L4, XB02L5 | 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