BL30 (Bái Huán Shū, “White Ring Shu”) is an acupuncture point on the Bladder Meridian. BL30 is on the sacrum, 1.5 cun lateral to the midline, at the level of the fourth sacral foramen. It strengthens the lower back, regulates the Lower Jiao, and benefits the genitourinary system.
BL30 is on the sacrum, 1.5 cun lateral to the midline, at the level of the fourth sacral foramen.
Perpendicular insertion 1.0 to 1.5 cun. Exercise caution to avoid deep insertion, especially in thin patients.
Strengthens the lower back, regulates the Lower Jiao, and benefits the genitourinary system.
Lower back pain, sciatica, irregular menstruation, leucorrhea, impotence.
BL30 is a significant point for strengthening the lower back and regulating the Lower Jiao, particularly benefiting the genitourinary system. It is commonly used for chronic lower back pain, especially when radiating to the sacrum or legs, and for gynecological issues such as irregular menstruation, leucorrhea, and uterine prolapse. It is also effective for seminal emission and impotence, often used with BL23 (Shenshu) for Kidney deficiency.
BL30 is one of 67 points on the Bladder Meridian. Nearby points:
BL30 is on the sacrum, 1.5 cun lateral to the midline, at the level of the fourth sacral foramen.
BL30 strengthens the lower back, regulates the Lower Jiao, and benefits the genitourinary system. Common clinical indications include lower back pain, sciatica, irregular menstruation, leucorrhea, impotence.
Perpendicular insertion 1.0 to 1.5 cun. Exercise caution to avoid deep insertion, especially in thin patients. Caution: ⚠ Reduce depth in thin patients — avoid deep perpendicular insertion.
BL30 is a point on the Bladder Meridian (Zú Tài Yáng Páng Guāng Jīng).