BL5 (Wuchu, “Wuchu”) is an acupuncture point on the Bladder Meridian. It is located on the head, 1.5 cun lateral to the midline at the level of Shangxing (DU23), which is 1 cun posterior to the anterior hairline. It expels wind, calms spasms, brightens the eyes, and alleviates pain.
On the head, 1.5 cun lateral to the midline at the level of Shangxing (DU23), which is 1 cun posterior to the anterior hairline.
Transverse (subcutaneous) insertion, 0.3-0.5 cun.
Expels wind, calms spasms, brightens the eyes, and alleviates pain.
Spinal rigidity with arching back, convulsions, epilepsy, headache, dizziness, eye pain, blurred vision, upward-staring eyes, inability to recognize people, sneezing, cold and heat sensations, sweating with no relief.
As a local point on the Bladder channel, Wuchu is primarily used for conditions affecting the head and eyes, such as headache, dizziness, and various visual disturbances. Its classical indication for severe conditions like epilepsy and convulsions (tetanus) highlights its function in calming internal wind and spasms, particularly when the spine is involved.
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 · 頭直夾督脈各一寸五分卻行至玉枕凡十穴第三（足太陽經） · Source: jicheng.tw ↗
五處二穴，主脊強反折，瘛瘲癲疾，偏頭風，鼻塞，時時嚏不已，目昏，目上戴不識人，內障，頭生瘡疥，宜三稜針出血The text records that BL5 was used for stiff spine arched backward, convulsions and epilepsy, one-sided head-wind, blocked nose, incessant sneezing, blurred vision, upturned eyes with loss of recognition, internal eye obstruction and sores on the head, and that bleeding with a three-edged needle is advised.
《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 ↗
五處 在曲差後五分，夾上星旁一寸五分。 刺三分，留七呼，灸三壯。 甲乙經曰：不可灸According to this text, BL5 lies 5 fen behind Qucha, 1.5 cun beside Shangxing; it is needled 3 fen, retained 7 breaths, with 3 moxa cones, but it notes that the Jiayi Jing says moxibustion must not be applied.
《千金翼方》 Qiānjīn Yìfāng — Supplement to the Thousand Gold Prescriptions, c. 682 · 卷26 · Source: Wikisource ↗
五處在頭上，去上星一寸半It is located on the head, 1.5 cun from Shangxing, according to this text.
BL5 is one of 67 points on the Bladder Meridian. Nearby points:
BL5 (Wuchu) is located on the head, 1.5 cun lateral to the midline at the level of Shangxing (DU23), which is 1 cun posterior to the anterior hairline.
BL5 expels wind, calms spasms, brightens the eyes, and alleviates pain. Common clinical indications include spinal rigidity with arching back, convulsions, epilepsy, headache, dizziness, eye pain, blurred vision, upward-staring eyes, inability to recognize people, sneezing, cold and heat sensations, sweating with no relief.
Transverse (subcutaneous) insertion, 0.3-0.5 cun.
BL5 is a point on the Bladder Meridian (Zú Tài Yáng Páng Guāng Jīng).