BL51 Huangmen (Vitals Gate)

肓門huāng ménHuangmen

Bladder Meridian

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Location of acupuncture point BL51 Huangmen (Vitals Gate)
14
Indications
8
Protocols
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Location

3 thumb widths lateral to the GV05 at the level of the lower border of the spinous process of the 1st lumbar vertebra.

Cautions

Avoid deep perpendicular needling due to risk of pneumothorax.

Indications

Conditions for which BL51 is listed as indicated. An indication list is a reference index, not a prescription – see the protocols below for sourced treatments.

Arthritis Sacroiliac JointConstipationBreast DisorderGastrointestinal DisorderBreast FullnessHardness Below HeartInjury Sacroiliac JointMyalgia Back Long ExtensorsLower Back PainBreast PainUpper Stomach PainJoint Sacroiliac PainStomach Ache Stagnation

TCM actions

What classical sources say BL51 does in the terms of Chinese medicine theory. These describe the point, not a condition.

Benefit BreastsBenefit Digestion

Protocols using BL51

  • Leg Pain, Buttock Pain, Low Back Pain, Stenosis Lumbar Spinal, Claudication Neurogenic, Gait Disturbance – SP09, BL23, BL25, BL32, BL39, BL40, BL51, BL52, BL54, BL57, BL60, GB30, GB34, GB39, GV03 (doi:10.2147/JPR.S438219 ↗)
  • Leg Pain, Buttock Pain, Low Back Pain, Stenosis Lumbar Spinal, Claudication Neurogenic, Gait Disturbance – BL23, BL32, BL39, BL51, BL52, BL54, BL57, GB30, GB34, GB39, GV03 (doi:10.2147/JPR.S438219 ↗)
  • Leg Pain, Buttock Pain, Low Back Pain, Mobility Reduced, Spinal Stenosis Lumbar, Neurogenic Claudication – SP09, BL23, BL25, BL32, BL39, BL40, BL51, BL52, BL54, BL57, BL60, GB30, GB34, GB39, GV03 (doi:10.1016/j.imr.2025.101204 ↗)
  • Leg Pain, Low Back Pain, Spinal Stenosis Lumbar, Neurogenic Claudication – SP09, BL23, BL25, BL32, BL39, BL40, BL51, BL52, BL54, BL57, BL60, GB30, GB34, GB39, GV03 (doi:10.1016/j.imr.2025.101204 ↗)
  • 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 ↗)
  • Stenosis Lumbar Spinal – SP09, BL23, BL25, BL32, BL39, BL40, BL51, BL52, BL54, BL57, BL60, GB30, GB34, GB39, GV03 (doi:10.2147/JPR.S438219 ↗)
  • Stenosis Lumbar Spinal – SP09, BL23, BL25, BL32, BL39, BL40, BL51, BL52, BL54, BL57, BL60, GB30, GB34, GB39, GV03 (doi:10.2147/JPR.S438219 ↗)
  • Fracture Back Pain – BL23, BL24, BL25, BL26, BL40, BL51, BL52, BL60, GB34 (백승원 et al.. 골절에 침 치료를 적용한 2013년 이후 증례보고 문헌고찰. 한방재활의학과학회지, 2021)

Most often selected alongside BL51

How many sourced protocols in the index pair each point with BL51. Corpus frequency, not a combination to use.

  • BL23Kidney Shu Point8 protocols
  • BL52Willpower Room8 protocols
  • GB34Yang Mound Spring8 protocols
  • BL25Large Intestine Shu Point7 protocols
  • BL32Second Bone Hole7 protocols
  • BL39Outside Of The Crease7 protocols
  • BL40Middle Of The Crease7 protocols
  • BL54Lowermost In Order7 protocols
  • BL57Mountain Support7 protocols
  • BL60Kunlun (Mountains)7 protocols
  • GB30Jumping Circle7 protocols
  • GB39Suspended Bell7 protocols