Xiaochangshu Point (BL-27 / Small Intestine Shu, Back Transporting Point of the Small Intestine)
Discover the exact location and acupressure method for Xiaochangshu (BL-27 / Small Intestine Shu). Learn its benefits for abdominal pain, constipation, diarrhea, hernia, and hemorrhoids – the Back Transporting Point of the Small Intestine – plus classic combinations for comprehensive treatment.
Indications
Abdominal pain, constipation, dysentery, diarrhea, hernia, hemorrhoids, spermatorrhea, enuresis, hematuria, and lumbosacral pain.
Precise Location
In the sacral region, level with the 1st posterior sacral foramen, 1.5 cun lateral to the sacral median crest.
Location Method
Sit upright or lie prone. The point is 2 finger-widths (approximately 1.5 cun) lateral to the midline of the sacral region, level with the 1st posterior sacral foramen.
Massage Method
① Massage: Press and knead with the thumb. ② Moxibustion: Apply mild-warm moxa stick. Press and knead Xiaochangshu with the thumb about 200 times, or for 3–5 minutes, to treat abdominal pain and constipation. Therapeutic actions: Regulates the Small Intestine, separates the clear from the turbid, regulates qi and relieves pain.
Compatibility
Abdominal distension and constipation: Combine with Tianshu (ST-25), Zusanli (ST-36), Shangjuxu (ST-37), and Guanyuan (RN-4). Diarrhea and dysentery: Combine with Pishu (BL-20), Tianshu (ST-25), and Zusanli (ST-36). Hernia: Combine with Dadun (LR-1), Guilai (ST-29), and Sanyinjiao (SP-6). Hemorrhoids: Combine with Chengshan (BL-57), Changqiang (GV-1), and Erbai (EX-UE2). Spermatorrhea and enuresis: Combine with Shenshu (BL-23), Guanyuan (RN-4), and Sanyinjiao (SP-6). Lumbosacral pain: Combine with Dachangshu (BL-25), Weizhong (BL-40), and Shenshu (BL-23).
Efficacy & Actions
This point belongs to the Foot Taiyang Bladder Meridian and is the Back Transporting Point where qi of the Small Intestine is transported to the back. It regulates the Small Intestine, separates the clear from the turbid, and regulates qi to relieve pain. It is a commonly used key point for treating Small Intestine dysfunction and digestive system disorders. First documented in Zhenjiu Jiayijing. "Xiaochang" refers to the Small Intestine; "Shu" means point of transport. This point is where Small Intestine qi is transported to the back – an important point for treating Small Intestine disorders – hence the name Xiaochangshu (Small Intestine Shu).
