BL54 (Zhibian, “Zhibian”) is an acupuncture point on the Bladder Meridian. It is located in the sacral region, 3 cun lateral to the midline, at the level of the 4th posterior sacral foramen. This point is located by having the patient lie in a prone position. It strengthens the lumbar spine and legs, regulates urination, clears damp-heat from the Lower Jiao, and treats hemorrhoids.
In the sacral region, 3 cun lateral to the midline, at the level of the 4th posterior sacral foramen. This point is located by having the patient lie in a prone position.
Perpendicular or perpendicular-oblique insertion, 1.5 to 2.5 cun. Deep needling can be directed medially and inferiorly towards the sacral foramen.
Strengthens the lumbar spine and legs, regulates urination, clears damp-heat from the Lower Jiao, and treats hemorrhoids.
Lumbar pain, inability to bend and extend the back, back pain with aversion to cold, spinal stiffness, heaviness of the low back and buttocks, difficulty lifting the leg, genital pain with a heavy sensation, hemorrhoids with swelling, red and difficult urination, urinary retention, difficult urination and defecation, lumbar pain with cold sensation.
Zhibian is a key local point for disorders of the lumbosacral region, buttocks, and pelvic organs. It is frequently used for sciatica, piriformis syndrome, and sacroiliac joint pain, where its ability to address both pain and urinary difficulty is particularly valuable. Its indications for hemorrhoids and genital pain highlight its role in clearing damp-heat and stagnation from the Lower Jiao.
Classical text; the translation was prepared with AI and is not clinical advice.
《類經圖翼》 Lèijīng Túyì — Illustrated Wings to the Classified Canon, Zhang Jiebin, 1624 · 卷七 · 經絡（五） · 足太陽膀胱經穴 · Source: jicheng.tw ↗
秩邊 在二十一椎下，去脊中各三寸半陷中，伏而取之。 刺五分，灸三壯。 主治腰痛五痔，小便赤澀According to this text, BL54 lies in the hollow below the 21st vertebra, 3.5 cun lateral to the spine, located with the patient lying prone; it records needling 0.5 cun and 3 moxa cones, and use for lumbar pain, the five kinds of haemorrhoids and scanty, reddish urine.
《針灸大成》 Zhēnjiǔ Dàchéng — Great Compendium of Acupuncture & Moxibustion, 1601 · 卷八 · Source: Wikisource ↗
秩邊 二十椎下兩旁，相去脊各三寸陷中，伏而取之。It is located below the 20th vertebra, 3 cun on either side of the spine, in a hollow found with the patient lying prone, according to this text (BL54).
《醫學入門》 Yīxué Rùmén — Introduction to Medicine, Li Chan, 1575 · 经穴起止 · Source: Wikisource ↗
秩边二十节外三寸。 针五分，灸三壮。 伏而取之。 主腰痛、尻重不能举发肿、小便赤黄This text places BL54 3 cun lateral to the 20th segment, records needling 0.5 cun and 3 moxa cones, and says it was used for lumbar pain, heaviness of the buttocks with inability to lift them, swelling, and yellowish-red urine.
《針灸甲乙經》 Zhēnjiǔ Jiǎyǐ Jīng — Systematic Classic of Acupuncture & Moxibustion, c. 256–282 · 卷09 · Source: Wikisource ↗
腰痛寒，俯仰急難，陰痛下重，不得小便，秩邊主之The text records that BL54 was used for cold lumbar pain with difficulty bending forward and back, genital pain with a heavy dragging feeling, and inability to pass urine.
BL54 is one of 67 points on the Bladder Meridian. Nearby points:
BL54 (Zhibian) is located in the sacral region, 3 cun lateral to the midline, at the level of the 4th posterior sacral foramen. This point is located by having the patient lie in a prone position.
BL54 strengthens the lumbar spine and legs, regulates urination, clears damp-heat from the Lower Jiao, and treats hemorrhoids. Common clinical indications include lumbar pain, inability to bend and extend the back, back pain with aversion to cold, spinal stiffness, heaviness of the low back and buttocks, difficulty lifting the leg, genital pain with a heavy sensation, hemorrhoids with swelling, red and difficult urination, urinary retention, difficult urination and defecation, lumbar pain with cold sensation.
Perpendicular or perpendicular-oblique insertion, 1.5 to 2.5 cun. Deep needling can be directed medially and inferiorly towards the sacral foramen. Caution: Deep needling requires careful anatomical knowledge to avoid injury to the sacral plexus or pelvic organs. Modern sources advise against deep needling during pregnancy.
BL54 is a point on the Bladder Meridian (Zú Tài Yáng Páng Guāng Jīng).