BL18 (Gān Shū, “Liver Shu”) is the Back-Shu of Liver point of the Bladder Meridian. BL18 is located on the back, 1.5 cun lateral to the lower border of the spinous process of the ninth thoracic vertebra (T9). It spreads Liver Qi, regulates blood, and benefits the eyes and tendons.
BL18 is located on the back, 1.5 cun lateral to the lower border of the spinous process of the ninth thoracic vertebra (T9).
Oblique insertion medially 0.5-1 cun; caution for pneumothorax.
Spreads Liver Qi, regulates blood, and benefits the eyes and tendons.
Hypochondriac pain, jaundice, eye diseases, headache, dizziness, irregular menstruation.
As the Back-Shu point of the Liver, BL18 is paramount for all Liver disharmonies, especially Liver Qi stagnation and Liver Blood deficiency. It is best known for its ability to soothe the Liver, regulate Qi, and benefit the eyes, making it a primary point for conditions like headaches, dizziness, and eye disorders. It is frequently paired with LIV3 to enhance its effect on spreading Liver Qi and calming the spirit.
BL18 is one of 67 points on the Bladder Meridian. Nearby points:
BL18 is located on the back, 1.5 cun lateral to the lower border of the spinous process of the ninth thoracic vertebra (T9).
BL18 spreads Liver Qi, regulates blood, and benefits the eyes and tendons. Common clinical indications include hypochondriac pain, jaundice, eye diseases, headache, dizziness, irregular menstruation.
Oblique insertion medially 0.5-1 cun; caution for pneumothorax. Caution: ⚠ Pneumothorax risk: oblique/shallow only, never deep perpendicular over the chest wall.
BL18 is a point on the Bladder Meridian (Zú Tài Yáng Páng Guāng Jīng).