BL6 Receiving Light

Reviewed by · Licensed Acupuncturist & TCM Physician · Last reviewed June 2026

BL6 (Chengguang, “Receiving Light”) is an acupuncture point on the Bladder Meridian. It is located on the scalp, 2.5 cun posterior to the anterior hairline and 1.5 cun lateral to the midline, on a line connecting BL5 (Wuchu) and BL7 (Tongtian). It dispels wind, clears the head, benefits the eyes and nose, and calms the spirit.

Location

On the scalp, 2.5 cun posterior to the anterior hairline and 1.5 cun lateral to the midline, on a line connecting BL5 (Wuchu) and BL7 (Tongtian).

Needling

Subcutaneous (transverse) insertion, 0.3-0.5 cun, typically directed posteriorly along the scalp.

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TCM functions

Dispels wind, clears the head, benefits the eyes and nose, and calms the spirit..

Indications

Wind dizziness, head pain, vomiting, vexation of the heart, nasal congestion, inability to smell, mouth deviation, clear nasal discharge, white film over the eye, blurred vision from farsightedness, heat in the head, aversion to wind and cold, heat disease with absence of sweating, vomiting with vexation..

Clinical notes

Chengguang is a key point on the upper Bladder channel for clearing wind and heat from the head. Its name, 'Receiving Light,' highlights its classical indication for improving vision, particularly for blurred vision and the early stages of cataracts ('white film'). It is also effective for various types of headaches, dizziness, and nasal disorders, especially those with a wind-heat component.

On the Bladder channel

BL6 is one of 67 points on the Bladder Meridian. Nearby points:

BL2BL3BL4BL5BL7BL8BL9BL10

Frequently asked questions

Where is BL6 located?

BL6 (Chengguang) is located on the scalp, 2.5 cun posterior to the anterior hairline and 1.5 cun lateral to the midline, on a line connecting BL5 (Wuchu) and BL7 (Tongtian).

What is BL6 used for?

BL6 dispels wind, clears the head, benefits the eyes and nose, and calms the spirit. Common clinical indications include wind dizziness, head pain, vomiting, vexation of the heart, nasal congestion, inability to smell, mouth deviation, clear nasal discharge, white film over the eye, blurred vision from farsightedness, heat in the head, aversion to wind and cold, heat disease with absence of sweating, vomiting with vexation.

How is BL6 needled?

Subcutaneous (transverse) insertion, 0.3-0.5 cun, typically directed posteriorly along the scalp. Caution: The majority of classical texts explicitly forbid moxibustion on this point.

Which meridian is BL6 on?

BL6 is a point on the Bladder Meridian (Zú Tài Yáng Páng Guāng Jīng).

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⚠️ This page is for general education and is not medical advice. Acupuncture is a traditional practice; evidence varies by condition and study quality, and individual results differ. It does not replace diagnosis or treatment by a licensed professional. Always consult a qualified acupuncturist or physician.