Bladder 4 (BL 4) Qu Cha — Crooked Curve

This point, on the forehead, benefits the nose and eyes and clears the head.

Bladder 4 (BL 4) Qu Cha 曲差 — Crooked Curve

Location

On the head, 0.5 cun within the anterior hairline, 1.5 cun lateral to the midline (DU-24), at the junction of the medial third and lateral two-thirds of the line from DU-24 to ST-8.

Anatomy

On the frontalis; the frontal artery and vein; the medial branch of the frontal nerve.

Actions & Functions

  • Benefits the nose and eyes
  • Dispels wind and relieves headache

Indications

Headache, nasal congestion and nosebleed, and blurred vision.

Needling

0.3-0.5 cun, transverse insertion.

Moxibustion Suitability

Suitable for moxibustion.

Point Combinations

With LI-20 and BL-3 for nasal disorders.

Classical Text References

A point of the Bladder channel on the forehead.

Cautions & Contraindications

None specific.

Latest Research

Latest peer-reviewed research on this point will be summarised here, with citations linked to PubMed, via our research integration.

About Attilio

Doctor of Chinese medicine, acupuncture expert and author of My Fertility Guide and My Pregnancy Guide.

Check Also

PubMed research

Systematic Review Finds Traditional Chinese Medicine May Complement Conventional Breast Cancer Treatment via Multiple Biological Pathways

Research summary (Traditional Chinese Medicine): Multitarget mechanisms and clinical integration of traditional Chinese medicine in breast cancer. - Phytomedicine : international journal of phytotherapy and phytopharmacology, 2026.