BL04 Qucha (Deviating Turn)

曲差qū chāQucha

Bladder Meridian

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Location of acupuncture point BL04 Qucha (Deviating Turn)
16
Indications
11
Protocols
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Location

0.5 thumb widths directly above the midpoint of the anterior hairline and 1.5 thumb widths lateral to the midline at the junction of the medial 1/3 and lateral 2/3 of the distance from GV24 to the ST08.

No specific contraindications.

Indications

Conditions for which BL04 is listed as indicated. An indication list is a reference index, not a prescription – see the protocols below for sourced treatments.

AgitationNasal CongestionShortness of BreathEyesight / Vision BlurredBlurred VisionHeart FullnessHeatNosebleedHead PainHeadacheHeadache Head Vertex PainNose Soreness PainRhinitisSpontaneous SweatingHead Vertex SwellingWind Head

TCM actions

What classical sources say BL04 does in the terms of Chinese medicine theory. These describe the point, not a condition.

Benefit EyesBenefit Nose

Protocols using BL04

  • Neuralgia Occipital, Occipital Pain, Cervical Pain – ST08, BL04, BL10, GB12, GB20, GV16, GV24 (doi:10.1016/s0254-6272(08)60040-0 ↗)
  • Amblyopia Anisometropic, Vision Reduced – LI04, BL02, BL04, BL06, BL09, GB16, GB37, GV17, GV20 (doi:10.1097/MD.0000000000046551 ↗)
  • Headache Tension, Headache Liver Yang Hyperactivity – BL04, BL10, GB05, GB12, GB20, GV20 (doi:10.26973/d.cnki.gbjzu.2024.000180 ↗)
  • Stroke, Facial Pain, Neuralgia Trigeminal – LU05, LI04, ST36, ST37, ST39, SP06, SP09, BL02, BL03, BL04, TB23, GB13, GB14, GB15, GB41, LV03, GV20, XH01A, XH01B, XH01C, XH01D, XH03, XH04 (doi:10.1186/s13256-026-05957-5 ↗)
  • Amblyopia Anisometropic, Vision Reduced, Amblyopia – LI04, BL02, BL04, BL06, BL09, GB16, GB37, GV17, GV20, XH05 (doi:10.1097/MD.0000000000046551 ↗)
  • Paralysis Facial, Dysarthria, Dysphagia Post-stroke – ST01, ST04, SI18, BL04, CV23, GV24, XH03, XH04 (doi:10.1002/ccr3.72438 ↗)
  • Stroke, Aphasia, Facial Paralysis, Dysphagia – ST01, ST04, SI18, BL04, CV23, GV24, XH03, XH04 (doi:10.1002/ccr3.72438 ↗)
  • Amblyopia Anisometropic, Visual Acuity Reduced, Amblyopia – LI04, BL02, BL04, BL06, BL09, GB16, GB37, GV17, GV20, XH05 (doi:10.1097/MD.0000000000046551 ↗)
  • Vertigo, Trigeminal Neuralgia, Facial Pain – LU05, LI04, ST36, ST37, ST39, SP06, SP09, BL02, BL03, BL04, TB23, GB13, GB14, GB15, GB41, LV03, GV20, XH01A, XH01B, XH01C, XH01D, XH03, XH04 (doi:10.1186/s13256-026-05957-5 ↗)
  • Wind Liver, Wind Liver – LU11, ST01, ST03, ST04, ST05, ST06, ST07, ST08, ST42, ST45, SI03, SI08, BL01, BL02, BL03, BL04, BL05, BL06, BL09, BL10, BL41, XU25 (Yang Yong-Xuan, clinical point-selection notes)
  • Heat Lung, Wind Lung, Heat Lung, Wind Lung – LU03, LU06, LU07, LU08, LU10, LU11, LI04, LI19, SI07, SI08, SI09, SI10, SI18, BL02, BL04, BL05, BL06, BL07, BL11 (Yang Yong-Xuan, clinical point-selection notes)

Most often selected alongside BL04

How many sourced protocols in the index pair each point with BL04. Corpus frequency, not a combination to use.

  • BL02Gathered Bamboo7 protocols
  • GV20100 Convergences6 protocols
  • LI04Junction Valley6 protocols
  • BL06Receiving Light5 protocols
  • BL09Jade Pillow4 protocols
  • XH03Hall Of Impression Or Seal Hall4 protocols
  • XH04Fish Waist4 protocols
  • BL03Eyebrow Ascension3 protocols
  • BL10Celestial Pillar3 protocols
  • GB16Eye Windows3 protocols
  • GB37Bright Light3 protocols
  • GV17Brain Door3 protocols

Other points on the Bladder Meridian

BL01BL02BL03BL05BL06BL07BL08BL09BL10BL11BL12BL13BL14BL15BL16BL17BL18BL19BL20BL21BL22BL23BL24BL25BL26BL27BL28BL29BL30BL31BL32BL33BL34BL35BL36BL37BL38BL39BL40BL41BL42BL43BL44BL45BL46BL47BL48BL49BL50BL51BL52BL53BL54BL55BL56BL57BL58BL59BL60BL61BL62BL63BL64BL65BL66BL67