BL32 (Cì Liáo, “Second Crevice”) is an acupuncture point on the Bladder Meridian. It is located on the sacrum, in the second posterior sacral foramen, medial and inferior to the posterosuperior iliac spine. It regulates the Lower Jiao, strengthens the lumbar region and legs, benefits urination and defecation, regulates menstruation.
On the sacrum, in the second posterior sacral foramen, medial and inferior to the posterosuperior iliac spine.
Perpendicular-oblique insertion, directed medially and inferiorly into the posterior sacral foramen, 1.0 to 1.5 cun.
Regulates the Lower Jiao, strengthens the lumbar region and legs, benefits urination and defecation, regulates menstruation.
Loss of voice, epilepsy, fullness in the heart and abdomen, deafness, tinnitus resembling cicadas, sensation of blockage in the ears.
BL32 is a primary point for addressing disorders of the urogenital and reproductive systems, as well as the lower back and legs. It is especially noted for its influence on gynecological issues, such as dysmenorrhea and infertility, and for treating sciatica and lumbar pain. Its classical indications for ear problems and epilepsy are less common in modern practice but highlight a broader historical application.
Classical text; the translation was prepared with AI and is not clinical advice.
《針方六集》 Zhēnfāng Liùjí — Six Collections on Needling, Wu Kun, 1618 · 卷之五·紛署集 · 背自第一椎兩旁夾脊各一寸五分下至節凡四十四穴第八 · Source: jicheng.tw ↗
次髎二穴，主腰痛不得轉搖，疝氣偏墜，痛引陰器，足清不仁，背腠寒，腸鳴注泄，小便淋瀝，胸中堅脹，婦人赤白帶下The text records that BL32 was used for low back pain preventing turning, one-sided descending hernia with pain pulling on the genitals, cold numb feet, cold in the back, borborygmi with watery diarrhoea, dribbling urination, hard distension in the chest, and red and white vaginal discharge in women.
《醫學綱目·刺灸》 Yīxué Gāngmù · Cìjiǔ — Outline of Medicine: Needling and Moxibustion, Lou Ying, 1565 · 卷之八·陰陽臟腑部 · 穴法下 · Source: jicheng.tw ↗
次髎二穴，在第二空夾脊陷中。 針入三分，可灸七壯It is located in the depression of the second foramen beside the spine, according to this text; BL32 is needled 3 fen with up to 7 moxa cones.
《普濟方·針灸門》 Pǔjì Fāng · Zhēnjiǔ Mén — Formulas for Universal Relief: Acupuncture & Moxibustion Section, Zhu Su, 1406 · 卷四百十三 · 針灸門 · 膀胱 · Source: jicheng.tw ↗
次髎（在第二空俠脊陷者中。 灸三壯。 主腰痛怏怏不可以俯仰The text records that BL32, in the depression of the second foramen beside the spine, was moxibusted with 3 cones for dull, nagging low back pain preventing bending forward and back.
BL32 is one of 67 points on the Bladder Meridian. Nearby points:
BL32 (Cì Liáo) is located on the sacrum, in the second posterior sacral foramen, medial and inferior to the posterosuperior iliac spine.
BL32 regulates the Lower Jiao, strengthens the lumbar region and legs, benefits urination and defecation, regulates menstruation. Common clinical indications include loss of voice, epilepsy, fullness in the heart and abdomen, deafness, tinnitus resembling cicadas, sensation of blockage in the ears.
Perpendicular-oblique insertion, directed medially and inferiorly into the posterior sacral foramen, 1.0 to 1.5 cun. Caution: Traditionally avoided or used with caution in PREGNANCY (strong qi/blood-moving or labour-promoting action).
BL32 is a point on the Bladder Meridian (Zú Tài Yáng Páng Guāng Jīng).