UB27 (Urinary Bladder 27) - Acupuncture Point Information

Chinese Name: Xiaochangshu
English Name: Small Intestine Shu

Location: 1.5 cun lateral to the midline of the sacrum at the level of the first sacral foramen.


Back-Shu point for the Small Intestine.


Promotes the separation of the clear and the turbid, promotes urination, opens and regulates the Small Intestine, transforms stagnation and accumulations, eliminates dampness and clears heat.

Primary Indications:

Lower abdominal pain and distension, enuresis, dysentry.

Tertiary Indications:

Seminal emission, hematuria (blood lin), vaginal discharge, low back and sacral pain, lin syndrome, constipation, hernia, dry mouth/diabetes, haemorrhoids, foot swelling.

Other Indications:

Vexation, peritonitis, endometritis, prostatodynia, Yin (cold) of Bladder and Sanjiao, Yin (cold) or Yang (hot) disoders of Large and Small Intestine, special point for humoral liquids, rheumatism, sciatica.


This information is from the book Acupuncture Point Dynamics and has been used with permission from the author John McDonald.

View other points on the Urinary Bladder channel:

(UB1, UB2, UB3, UB4, UB5, UB6, UB7, UB8, UB9, UB10, UB11, UB12, UB13, UB14, UB15, UB16, UB17, UB18, UB19, UB20, UB21, UB22, UB23, UB24, UB25, UB26, UB27, UB28, UB29, UB30, UB31, UB32, UB33, UB34, UB35, UB36, UB37, UB38, UB39, UB40, UB41, UB42, UB43, UB44, UB45, UB46, UB47, UB48, UB49, UB50, UB51, UB52, UB53, UB54, UB55, UB56, UB57, UB58, UB59, UB60, UB61, UB62, UB63, UB64, UB65, UB66, UB67)

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