BL4 (Quchai, “Deviating Turn”) is an acupuncture point on the Bladder Meridian. It is located on the head, 1.5 cun lateral to the anterior midline, 0.5 cun posterior to the anterior hairline. It dispels wind and clears the head.
On the head, 1.5 cun lateral to the anterior midline, 0.5 cun posterior to the anterior hairline.
Transverse insertion 0.5-1.0 cun.
Dispels wind and clears the head.
Headache, blurred vision, nasal obstruction, epistaxis.
BL4 is a significant point for dispelling wind and clearing the head, making it useful for various head and facial disorders. It is commonly applied in cases of frontal headache, dizziness, and nasal congestion. Its proximity to the hairline makes it effective for conditions affecting the forehead and eyes, often paired with BL2 for frontal headaches.
BL4 is one of 67 points on the Bladder Meridian. Nearby points:
BL4 (Quchai) is located on the head, 1.5 cun lateral to the anterior midline, 0.5 cun posterior to the anterior hairline.
BL4 dispels wind and clears the head. Common clinical indications include headache, blurred vision, nasal obstruction, epistaxis.
Transverse insertion 0.5-1.0 cun.
BL4 is a point on the Bladder Meridian (Zú Tài Yáng Páng Guāng Jīng).