BL12 Wind Gate

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

BL12 (Fēng Mén, “Wind Gate”) is the Meeting point of BL & DU point of the Bladder Meridian. Located 1.5 cun lateral to the lower border of the second thoracic vertebra (T2), at the level of the second intercostal space. It expels wind, releases the exterior, and regulates Lung Qi.

Location

Located 1.5 cun lateral to the lower border of the second thoracic vertebra (T2), at the level of the second intercostal space.

Needling

Puncture obliquely 0.5-0.8 cun. Caution: Pneumothorax.

⚠ Pneumothorax risk: oblique/shallow only, never deep perpendicular over the chest wall.

TCM functions

Expels wind, releases the exterior, and regulates Lung Qi.

Indications

Common cold, fever, cough, headache, neck stiffness, asthma.

Meeting point of BL & DU

Clinical notes

BL12, meaning 'Wind Gate,' is a primary point for expelling external wind, making it indispensable for the early stages of common cold and flu, especially when accompanied by fever, chills, and headache. It also regulates Lung Qi and can be used for cough and asthma. Its proximity to the Du Meridian (as a meeting point) enhances its ability to release the exterior and address neck stiffness.

On the Bladder channel

BL12 is one of 67 points on the Bladder Meridian. Nearby points:

Frequently asked questions

Where is BL12 located?

Located 1.5 cun lateral to the lower border of the second thoracic vertebra (T2), at the level of the second intercostal space.

What is BL12 used for?

BL12 expels wind, releases the exterior, and regulates Lung Qi. Common clinical indications include common cold, fever, cough, headache, neck stiffness, asthma.

How is BL12 needled?

Puncture obliquely 0.5-0.8 cun. Caution: Pneumothorax. Caution: ⚠ Pneumothorax risk: oblique/shallow only, never deep perpendicular over the chest wall.

Which meridian is BL12 on?

BL12 is a point on the Bladder Meridian (Zú Tài Yáng Páng Guāng Jīng).

Interactive body mapConditions & evidenceFind an acupuncturistTCM glossary
⚠️ 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.